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YOUR PHONE FACE-OFF

Apple iPhone Duo vs Apple iPhone 17 Pro Max

Real specs. Clear sources.Exact variants · Checked 4 Sept 2026
Apple256 GB

iPhone Duo

7.6″ · 120 Hz

256 GB · Night Sky · UK A3720 · dual eSIM · MK2E4QN/ARelease: 23 Oct 2026Full product profile
iPhone Duo in Night Sky, official Apple front and rear product views; open folding display shown
88%Spec
match
Night Sky
PricesCheck retailers

Search links open retailer results.

UK list price from Apple, checked 9 Sept 2026 · not a live offer: £1,999.00Apple source — manufacturer reference price, opens in a new tab

UK: no verified listing yet · checked daily

US: no verified listing yet · checked daily

As an eBay Partner, we may be compensated if you make a purchase.

Affiliate links

We may earn a commission. Search results can include other models; check the exact variant and final price with the retailer.

DIFFERENCES AT A GLANCE

Chipset
iPhone Duo: Apple A20 Pro · 7 GPU cores vs iPhone 17 Pro Max: Apple A19 Pro · 6 GPU cores
eSIM only
iPhone Duo: Yes vs iPhone 17 Pro Max: No
Native telephoto reach
iPhone Duo: 0× vs iPhone 17 Pro Max: 4×
Optical-quality zoom
iPhone Duo: 2× vs iPhone 17 Pro Max: 8×
iPhone Duo first, iPhone 17 Pro Max second. Different is not better: see every verified difference below.
Compare the actual changes

Important features fall outside this scoring model.

See the hardware and feature differences ↓
Make it personal How are scores calculated?
Apple256 GB

iPhone 17 Pro Max

More screen. Up to 37 hours of video.

256 GB · Deep Blue · UK A3526 · nano-SIM + eSIMFull product profile
iPhone 17 Pro Max in Deep Blue, front and rear
93%Spec
match
Deep Blue
PricesCheck retailers

Search links open retailer results.

UK list price from Apple, checked 3 Sept 2026 · not a live offer: £1,199.00Apple source — manufacturer reference price, opens in a new tab

UK: no verified listing yet · checked daily

US: no verified listing yet · checked daily

As an eBay Partner, we may be compensated if you make a purchase.

Affiliate links

We may earn a commission. Search results can include other models; check the exact variant and final price with the retailer.

EVERYDAY PRIORITIESMore evidence is needed.

An overall lead needs at least 2 scored categories verified on both phones; only display can be compared here. Compare the actual figures below.

Change what matters

Published-spec match · for your selected priorities. Scores compare published capabilities, not lab-tested quality. Camera image quality and independent performance tests are not rated. See scoring

Camera, Battery scoring is unavailable for this pair. Known hardware specs still appear below; default scores use only shared, verified categories.

THE DIFFERENCES, MADE VISIBLE

Visual facts

Differences first. Select a topic for its graphic, sources and conditions.

How to read this comparison
How to read this comparison
  • Manufacturer facts for the exact models shown; scores cover published capabilities only. Not a quality rating or a test result.
  • “Different” means the known values differ, not that one is better.
  • Missing or conflicting evidence is marked and never counts as a difference. Source chips hold each fact’s sources and conditions.
SPECIFICATIONS SIDE BY SIDE6 topics
SELECTED TOPIC
01 / 06

Chipset

A different chip or core configuration is a hardware change, not a measured performance uplift.

iPhone DuoApple A20 Pro · 6 CPU cores · 7 GPU cores · dual 16-core Neural Engine
iPhone 17 Pro MaxApple A19 Pro · 6 CPU cores · 6 GPU cores · 16-core Neural Engine
Explore the full specifications
iPhone Duo

0.7″ larger diagonal.

Bigger is a preference, not a quality score.

iPhone Duo
7.6″
iPhone 17 Pro Max
6.9″

Relative diagonals · illustrative shape, not actual size

PER-DISPLAY CLAIMS

Playback on paper.

Up-to claims. Different test methods; no endurance winner.

iPhone Duo
31 hours (inner display) · 44 hours (outer display)
iPhone 17 Pro Max
Up to 37h

Arcs on a shared 0–40 h scale · not mixed-use battery life

WHAT CHANGES BETWEEN THEM?

Key differences

Full specifications ↓

15 verified differences, most decision-relevant first. 3 are also drawn in Visual facts above. Missing information stays separate.

Camera system

iPhone DuoMain: 48 MP (f/1.6, OIS), 2x crop mode; Ultra-wide: 48 MP; Front: 12 MP (cover), under-display camera (inner); Video: up to 4K 120 fps
iPhone 17 Pro Max48 MP main with fixed f/1.78 aperture; 48 MP ultrawide; 48 MP 4× telephoto; 8× optical-quality crop mode
Sources

Compare the camera hardware and recording modes. Matching megapixels or zoom do not mean identical cameras.

Show 9 more verified differences

Published professional camera workflows

iPhone Duo0
iPhone 17 Pro Max4
Sources
iPhone Duo

The existing capability model counts RAW stills, professional codecs, log capture and external production tools. Apple does not list these four workflows in the complete Duo photo/video specifications.

Apple UK iPhone Duo technical specifications
iPhone 17 Pro Max

Four defined classes: RAW stills (ProRAW), professional video codecs (ProRes/ProRes RAW), log capture (Apple Log 2), and external timing (Genlock). Compatible apps and third-party hardware/software may be required. This calculated inventory is not a camera-quality result.

iPhone 17 Pro Max technical specifications — Apple UK support

Check the exact configuration and source conditions for your use.

Inner display size

iPhone Duo7.6 in
iPhone 17 Pro Max6.9 in
Sources
iPhone Duo

Inner display when open; outer display is 5.4 inches.

Apple UK iPhone Duo technical specifications
iPhone 17 Pro Max

Nominal diagonal. Apple UK sources disagree on the standard-rectangle measurement (6.86 versus 6.85 inches); actual viewable area is smaller. See the separate rectangular-diagonal evidence.

iPhone 17 Pro Max technical specifications — Apple UK support

Check the exact configuration and source conditions for your use.

Configuration & compatibility details (2)

Regional SIM / network configuration

iPhone DuoUK model A3720; eSIM only
iPhone 17 Pro MaxUK A3526 · nano-SIM + eSIM
Sources
iPhone Duo

Dual eSIM (two active eSIMs); no physical SIM slot; 5G (sub-6 GHz). Carrier eSIM support needs confirming with your network.

Apple UK iPhone Duo technical specifications
iPhone 17 Pro Max

The comparison retains the UK configuration when the retailer market changes. A model specification does not establish stock or support from a particular network.

iPhone 17 Pro Max technical specifications — Apple UK supportIdentify your iPhone model — regional model numbers

These descriptions or measurements differ. Wording alone does not establish a different capability; check the exact configuration.

US specification difference

iPhone DuoUS model A3447 is also eSIM only (dual eSIM) and adds 5G mmWave (bands n258, n260, n261); its video-playback claims match the UK model.
iPhone 17 Pro MaxUS A3257 · eSIM only
Sources
iPhone 17 Pro Max

A different regional model. US weight and battery claims are not substituted into the UK comparison; domestic US listing availability remains a retailer check.

Identify your iPhone model — regional model numbers

An exact-variant identifier or regional network listing, not a difference in capability. Check the bands and model code for your carrier and region.

Missing or non-comparable evidence (45)

Main-camera aperture control

iPhone DuoNot verified
iPhone 17 Pro MaxFixed f/1.78
Sources
iPhone Duo

No source recorded for this side.

iPhone 17 Pro Max

Main camera only; the telephoto and ultrawide have different apertures.

iPhone 17 Pro Max technical specifications — Apple UK support

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Main camera optical stabilisation

iPhone DuoYes
iPhone 17 Pro MaxNot verified
Sources
iPhone Duo

Sensor-shift OIS is stated for the 48 MP Fusion Main (including its 2× mode); the Ultra Wide lists no OIS.

Apple UK iPhone Duo technical specifications
iPhone 17 Pro Max

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Rear Cinematic video at 4K Dolby Vision

iPhone DuoNot verified
iPhone 17 Pro Max30 fps
Sources
iPhone Duo

No source recorded for this side.

iPhone 17 Pro Max

Rear-camera Cinematic mode. Ordinary 4K and front-camera recording are separate modes.

iPhone 17 Pro Max technical specifications — Apple UK support

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Claimed video playback

iPhone Duo31 hours (inner display) · 44 hours (outer display)
iPhone 17 Pro Max37 hours
Sources
iPhone Duo

Apple UK local-video claim; inner display. The 44-hour outer-display claim is a different mode. Different mode from the 31-hour inner-display claim. Published per display. Neither figure is a like-for-like match for a single-screen phone's claim, so it is not ranked against one.

Apple UK iPhone Duo technical specifications
iPhone 17 Pro Max

Manufacturer up-to local-video claim, not independently measured mixed-use endurance. Apple's playback method differs from Samsung's.

iPhone 17 Pro Max technical specifications — Apple UK supportiPhone - Battery Test Information

The recorded units or formats differ. These values are not ranked.

Built-in pro camera controls

iPhone DuoNot verified
iPhone 17 Pro MaxNot verified
Sources
iPhone Duo

No source recorded for this side.

iPhone 17 Pro Max

The checked specification lists Camera Control exposure, depth, zoom, cameras, styles and tone; it does not establish the full aperture/shutter/white-balance/histogram workflow listed for iPhone 18 Pro.

iPhone 17 Pro Max technical specifications — Apple UK support

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Maximum digital zoom in video

iPhone DuoNot verified
iPhone 17 Pro Max15×
Sources
iPhone Duo

No source recorded for this side.

iPhone 17 Pro Max

Digital video zoom; not optical lens reach or a claim about image quality.

iPhone 17 Pro Max technical specifications — Apple UK support

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Display specification

iPhone DuoMain: 7.6-inch OLED, 2670 × 1878; Cover: 5.4-inch OLED, 2034 × 1398; both up to 120 Hz, 3000 nits peak (outdoor)
iPhone 17 Pro MaxNot verified
Sources
iPhone Duo

Inner 430 ppi, cover 460 ppi; ProMotion adaptive refresh on both displays.

Apple UK iPhone Duo technical specifications
iPhone 17 Pro Max

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

RAM

iPhone DuoNot verified
iPhone 17 Pro MaxNot verified
Sources
iPhone Duo

Not published by Apple.

Apple UK iPhone Duo technical specifications
iPhone 17 Pro Max

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Expandable storage

iPhone DuoNot verified
iPhone 17 Pro MaxNo
Sources
iPhone Duo

Not verified for this exact model.

No source recorded for this side.

iPhone 17 Pro Max

No built-in memory-card slot is listed. External USB-C storage for supported recording workflows is a separate capability.

iPhone 17 Pro Max technical specifications — Apple UK support

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Update policy

iPhone DuoNo fixed update period published; ships with iOS 27.1
iPhone 17 Pro MaxNot verified
Sources
iPhone 17 Pro Max

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Launch operating system

iPhone DuoiOS 27.1
iPhone 17 Pro MaxNot verified
Sources
iPhone 17 Pro Max

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Apple Intelligence

iPhone DuoNot verified
iPhone 17 Pro MaxApple Intelligence; Siri AI beta in iOS 27
Sources
iPhone Duo

No source recorded for this side.

iPhone 17 Pro Max

Checked 13 September 2026: Apple lists iOS 27 for release on 14 September. Siri AI starts in English beta on supported devices, with regional restrictions and daily limits for some server features. It is not an iPhone 18-exclusive capability or a promise of every feature in every language.

iPhone 17 Pro Max technical specifications — Apple UK supportiOS 27 — compatibility, release and Apple Intelligence requirements

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Stylus support

iPhone DuoApple Pencil (USB-C), announced for later in 2026
iPhone 17 Pro MaxNot verified
Sources
iPhone Duo

Apple says support arrives later this year on either display, so it may not be available at launch.

Apple UK iPhone Duo technical specificationsApple announces iPhone Duo
iPhone 17 Pro Max

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Audio Mix

iPhone DuoNot verified
iPhone 17 Pro MaxAudio Mix
Sources
iPhone Duo

No source recorded for this side.

iPhone 17 Pro Max

Named in the rear and front recording specifications. The checked material does not establish the newer music-isolation feature or a measured audio-quality result.

iPhone 17 Pro Max technical specifications — Apple UK support

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Battery and charging

iPhone DuoUp to 31 h video (44 h on cover screen); fast wired charging (60 W adapter), 25 W wireless
iPhone 17 Pro MaxNot verified
Sources
iPhone Duo

Apple does not publish battery capacity in mAh. Up to 50% in around 20 minutes with a separately sold 60 W-capable or higher USB-C adapter; MagSafe and Qi2 up to 25 W. Apple claims, not independent tests.

Apple UK iPhone Duo technical specifications
iPhone 17 Pro Max

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Chip manufacturing process

iPhone DuoNot verified
iPhone 17 Pro MaxNot verified
Sources
iPhone Duo

No source recorded for this side.

iPhone 17 Pro Max

The checked A19 Pro specification and launch article do not state the process node. A specification for another A19 variant is not substituted.

iPhone 17 Pro Max technical specifications — Apple UK support

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Add Cinematic effects after ordinary video capture

iPhone DuoNot verified
iPhone 17 Pro MaxNot verified
Sources
iPhone Duo

No source recorded for this side.

iPhone 17 Pro Max

The checked specification lists Cinematic recording but does not establish the newer ordinary-video conversion feature. Editing footage already recorded in Cinematic mode is a separate capability.

iPhone 17 Pro Max technical specifications — Apple UK support

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Body and cover materials

iPhone DuoNot verified
iPhone 17 Pro MaxAluminium unibody · Ceramic Shield 2 front · Ceramic Shield back
Sources
iPhone Duo

No source recorded for this side.

iPhone 17 Pro Max

Materials and coating names do not establish comparative drop or scratch resistance.

iPhone 17 Pro Max technical specifications — Apple UK support

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Dual Capture 4K Dolby Vision maximum

iPhone DuoNot verified
iPhone 17 Pro Max30 fps
Sources
iPhone Duo

No source recorded for this side.

iPhone 17 Pro Max

Simultaneous front and rear capture. This is separate from ordinary single-camera 4K recording.

iPhone 17 Pro Max technical specifications — Apple UK support

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Dynamic Island

iPhone DuoNot verified
iPhone 17 Pro MaxDynamic Island
Sources
iPhone Duo

No source recorded for this side.

iPhone 17 Pro Max

The checked specification names Dynamic Island without a maximum count of simultaneous activities. No absence of an activity feature is inferred.

iPhone 17 Pro Max technical specifications — Apple UK support

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Form factor

iPhone Duofoldable
iPhone 17 Pro MaxNot verified
Sources
iPhone 17 Pro Max

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

GPU capabilities

iPhone DuoNot verified
iPhone 17 Pro MaxNeural Accelerators in the 6-core GPU · hardware-accelerated ray tracing
Sources
iPhone Duo

No source recorded for this side.

iPhone 17 Pro Max

Published capabilities, not independent performance measurements.

iPhone 17 Pro Max technical specifications — Apple UK support

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Headphone jack

iPhone DuoNot verified
iPhone 17 Pro MaxNo
Sources
iPhone Duo

Not verified for this exact model.

No source recorded for this side.

iPhone 17 Pro Max

Derived from Apple's exhaustive connector specification, which lists USB-C and no 3.5mm connector.

iPhone 17 Pro Max technical specifications — Apple UK support

Evidence is missing or conflicting on at least one side. This is not a verified difference.

MagSafe support

iPhone DuoNot verified
iPhone 17 Pro MaxYes
Sources
iPhone Duo

No source recorded for this side.

iPhone 17 Pro Max

MagSafe charging, magnet array and alignment magnet are expressly listed. Generic Qi charging on another product does not by itself prove MagSafe support there.

iPhone 17 Pro Max technical specifications — Apple UK support

Evidence is missing or conflicting on at least one side. This is not a verified difference.

RAM and storage configuration

iPhone DuoRAM not published; 256 GB storage
iPhone 17 Pro MaxNot verified
Sources
iPhone Duo

Apple does not publish RAM capacity.

Apple UK iPhone Duo, 256 GB, Night Sky
iPhone 17 Pro Max

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Open thickness

iPhone Duo5.2 mm
iPhone 17 Pro MaxNot verified
Sources
iPhone 17 Pro Max

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Open width

iPhone Duo164.6 mm
iPhone 17 Pro MaxNot verified
Sources
iPhone 17 Pro Max

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Outer display

iPhone Duo5.4-inch OLED · 1398 × 2034 · 460 ppi · up to 120 Hz
iPhone 17 Pro MaxNot verified
Sources
iPhone 17 Pro Max

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Photographic Styles

iPhone DuoNot verified
iPhone 17 Pro MaxLatest-generation Photographic Styles
Sources
iPhone Duo

No source recorded for this side.

iPhone 17 Pro Max

Apple's specification does not identify the Styles 3 feature set listed for iPhone 18 Pro. No exclusive software feature is inferred.

iPhone 17 Pro Max technical specifications — Apple UK support

Evidence is missing or conflicting on at least one side. This is not a verified difference.

ProRes 4K maximum with external recording

iPhone DuoNot verified
iPhone 17 Pro Max120 fps
Sources
iPhone Duo

No source recorded for this side.

iPhone 17 Pro Max

Requires external recording; not a claim that every lens or the front camera supports this rate.

iPhone 17 Pro Max technical specifications — Apple UK support

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Qi2 wireless charging maximum

iPhone DuoNot verified
iPhone 17 Pro Max25 W
Sources
iPhone Duo

No source recorded for this side.

iPhone 17 Pro Max

The exact UK specification separately lists Qi2 wireless charging up to 25 W. This is a protocol-specific published maximum with compatible equipment, not a measured or sustained charging rate.

iPhone 17 Pro Max technical specifications — Apple UK support

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Display diagonal before rounded corners

iPhone DuoNot verified
iPhone 17 Pro MaxConflicting evidence
Sources
iPhone Duo

No source recorded for this side.

iPhone 17 Pro Max

Apple UK support and model identification state 6.86 inches; the UK launch article states 6.85 inches. The nominal 6.9-inch size remains separate. This unresolved difference is excluded from numeric comparisons.

Apple unveils iPhone 17 Pro and iPhone 17 Pro MaxiPhone 17 Pro Max technical specifications — Apple UK supportIdentify your iPhone model — regional model numbers

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Camera Reference Image

iPhone DuoNot verified
iPhone 17 Pro MaxNot verified
Sources
iPhone Duo

No source recorded for this side.

iPhone 17 Pro Max

This named feature is not established by the checked iPhone 17 Pro recording specification. Its absence from that page is not proof that all reference-image workflows are impossible.

iPhone 17 Pro Max technical specifications — Apple UK support

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Reverse wireless charging

iPhone DuoNot verified
iPhone 17 Pro MaxNot verified
Sources
iPhone Duo

Not verified for this exact model.

No source recorded for this side.

iPhone 17 Pro Max

Not verified for this exact model.

iPhone 17 Pro Max technical specifications — Apple UK support

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Smart focus tracking

iPhone DuoNot verified
iPhone 17 Pro MaxNot verified
Sources
iPhone Duo

No source recorded for this side.

iPhone 17 Pro Max

Not named in the checked iPhone 17 Pro specification. This does not establish that all subject tracking is absent.

iPhone 17 Pro Max technical specifications — Apple UK support

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Thermal design

iPhone DuoNot verified
iPhone 17 Pro MaxVapour chamber laser-welded into an aluminium unibody
Sources
iPhone Duo

No source recorded for this side.

iPhone 17 Pro Max

Apple's published construction. The cited sustained-performance claim is not an independent measurement and does not establish superiority over another cooling design.

Apple unveils iPhone 17 Pro and iPhone 17 Pro Max

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Time-lapse video

iPhone DuoNot verified
iPhone 17 Pro MaxTime-lapse video with stabilisation
Sources
iPhone Duo

No source recorded for this side.

iPhone 17 Pro Max

The checked recording list does not state a time-lapse resolution. Ordinary 4K recording does not prove 4K time-lapse.

iPhone 17 Pro Max technical specifications — Apple UK support

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Typical use

iPhone Duo24 hours
iPhone 17 Pro MaxNot verified
Sources
iPhone Duo

Apple typical-use claim based on equal use of the inner and outer displays; distinct from video playback and not a cross-brand endurance test.

Apple UK iPhone Duo technical specifications
iPhone 17 Pro Max

The checked UK specification publishes local and streamed video playback, not a comparable mixed-use hours claim.

iPhone 17 Pro Max technical specifications — Apple UK support

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Wireless networking chip

iPhone DuoNot verified
iPhone 17 Pro MaxApple N1
Sources
iPhone Duo

No source recorded for this side.

iPhone 17 Pro Max

Networking chip identity; not the cellular modem or a measured throughput result.

iPhone 17 Pro Max technical specifications — Apple UK support

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Dimensions

iPhone DuoClosed: 117.8 × 84.1 × 11.3 mm; open: 117.8 × 164.6 × 5.2 mm (height × width × thickness)
iPhone 17 Pro MaxNot verified
Sources
iPhone 17 Pro Max

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Wireless connectivity

iPhone DuoWi-Fi 7 · Bluetooth 6 · Thread
iPhone 17 Pro MaxWi-Fi 7 · Bluetooth 6 · Thread · UWB · NFC
Sources
iPhone 17 Pro Max

UWB is Apple's second-generation Ultra Wideband chip. The exact UK source explicitly lists these capabilities. Wi-Fi 7 and Ultra Wideband remain subject to regional availability; compatible equipment, provider and service conditions apply. This is not measured throughput or a new-generation-only advantage.

iPhone 17 Pro Max UK technical specifications — wireless connectivity

The named Wi-Fi and Bluetooth generations match. Radios named by only one source remain unverified on the other; omission from a positive inventory is not absence.

10 shared fields have the same recorded value.

WHAT THE SCORE COVERS

Score breakdown

Limited specification indices. Explore the inputs and their limits.

iPhone Duo iPhone 17 Pro Max
Display explainediPhone 17 Pro Max leads

iPhone Duo: Published brightness, pixel density and maximum refresh under the existing capability model. This is not a laboratory display rating.

iPhone 17 Pro Max: Scores Apple-published 3,000-nit outdoor peak brightness, 460 ppi and adaptive refresh up to 120Hz. Peak brightness is not independently measured.

Explore the sources
WHAT MATTERS TO YOU?

Your priorities

Make the comparison fit your life.

Any must-haves?

Your comparisonMore information needed
88vs93
Unknown must-haves pause the recommendation.
COMPARE THE DETAILS

Full specifications

All specs77 specificationsiPhone DuoiPhone 17 Pro Max
254g
231g
Exact UK specification. Weight can differ by configuration; no relative US weight is inferred here.
11.3mm
Closed thickness
8.75mm
Dimensions
Sources
iPhone 17 Pro MaxNo source recorded
Closed: 117.8 × 84.1 × 11.3 mm; open: 117.8 × 164.6 × 5.2 mm (height × width × thickness)
Not verified
117.8 mm
163.4 mmManufacturer dimensions; not a preference or quality score.
Form factor
Sources
iPhone 17 Pro MaxNo source recorded
foldable
Not verified
Colour
Sources
iPhone 17 Pro MaxNo source recorded
Night Sky
Not verified
Open width
Sources
iPhone 17 Pro MaxNo source recorded
164.6 mm
Not verified
Open thickness
Sources
iPhone 17 Pro MaxNo source recorded
5.2 mm
Not verified
Thermal design
Sources
iPhone DuoNo source recorded
Not verified
Vapour chamber laser-welded into an aluminium unibodyApple's published construction. The cited sustained-performance claim is not an independent measurement and does not establish superiority over another cooling design.
7.6″
Inner display size · Inner display when open; outer display is 5.4 inches.
6.9″
Nominal diagonal. Apple UK sources disagree on the standard-rectangle measurement (6.86 versus 6.85 inches); actual viewable area is smaller. See the separate rectangular-diagonal evidence.
Published peak brightnessManufacturer peak claims use different test conditions.
Sources
3000 nits
Published outdoor peak · Manufacturer claim, not an independent measurement.
3000 nits
Apple-published outdoor peak, not an independent measurement; HDR peak is 1,600 nits and typical maximum is 1,000 nits.
430 ppi
Inner pixel density
460 ppi
Apple publishes 460 ppi directly for this model; no rounded-diagonal calculation is substituted.
120Hz
Adaptive ProMotion; refresh depends on content.
120Hz
Maximum adaptive ProMotion refresh rate; not a constant rate or measured motion-quality result.
Display specification
Sources
iPhone 17 Pro MaxNo source recorded
Main: 7.6-inch OLED, 2670 × 1878; Cover: 5.4-inch OLED, 2034 × 1398; both up to 120 Hz, 3000 nits peak (outdoor)Inner 430 ppi, cover 460 ppi; ProMotion adaptive refresh on both displays.
Not verified
Outer display
Sources
iPhone 17 Pro MaxNo source recorded
5.4-inch OLED · 1398 × 2034 · 460 ppi · up to 120 Hz
Not verified
Dynamic Island
Sources
iPhone DuoNo source recorded
Not verified
Dynamic IslandThe checked specification names Dynamic Island without a maximum count of simultaneous activities. No absence of an activity feature is inferred.
No dedicated lensNo dedicated telephoto module; the 2× mode is a crop.
4×
2
3
Apple's model-identification page explicitly lists three rear cameras: Fusion Main, Fusion Ultra Wide and Fusion Telephoto. The 2× and 8× crop modes are not extra modules.
Main: 48 MP (f/1.6, OIS), 2x crop mode; Ultra-wide: 48 MP; Front: 12 MP (cover), under-display camera (inner); Video: up to 4K 120 fps
48 MP main with fixed f/1.78 aperture; 48 MP ultrawide; 48 MP 4× telephoto; 8× optical-quality crop mode
2×Manufacturer crop-mode claim; not a separate lens.
8×Apple's sensor-derived optical-quality mode is not a separate native 8x lens.
Outer: 12 MP Center Stage, f/2.2. Inner: under-display FaceTime camera, f/1.8; resolution not published.
18 MP Center Stage · f/1.9 · autofocus
0The existing capability model counts RAW stills, professional codecs, log capture and external production tools. Apple does not list these four workflows in the complete Duo photo/video specifications.
4Four defined classes: RAW stills (ProRAW), professional video codecs (ProRes/ProRes RAW), log capture (Apple Log 2), and external timing (Genlock). Compatible apps and third-party hardware/software may be required. This calculated inventory is not a camera-quality result.
Main camera optical stabilisation
Sources
iPhone 17 Pro MaxNo source recorded
YesSensor-shift OIS is stated for the 48 MP Fusion Main (including its 2× mode); the Ultra Wide lists no OIS.
Not verified
120 fps100 and 120 fps are Fusion Main only. Manufacturer recording-mode claim; not an independent quality or sustained-recording test.
120 fps100/120 fps use the Fusion Main camera; this is distinct from Cinematic mode and does not establish recording quality.
60 fpsOuter 12 MP Center Stage camera. The inner under-display FaceTime camera records up to 1080p at 60 fps.
60 fpsCenter Stage front camera. Rear Fusion Main and front Cinematic mode have separate limits.
Main-camera aperture control
Sources
iPhone DuoNo source recorded
Not verified
Fixed f/1.78Main camera only; the telephoto and ultrawide have different apertures.
ProRes 4K maximum with external recording
Sources
iPhone DuoNo source recorded
Not verified
120 fpsRequires external recording; not a claim that every lens or the front camera supports this rate.
Dual Capture 4K Dolby Vision maximum
Sources
iPhone DuoNo source recorded
Not verified
30 fpsSimultaneous front and rear capture. This is separate from ordinary single-camera 4K recording.
Rear Cinematic video at 4K Dolby Vision
Sources
iPhone DuoNo source recorded
Not verified
30 fpsRear-camera Cinematic mode. Ordinary 4K and front-camera recording are separate modes.
Maximum digital zoom in video
Sources
iPhone DuoNo source recorded
Not verified
15×Digital video zoom; not optical lens reach or a claim about image quality.
Photographic Styles
Sources
iPhone DuoNo source recorded
Not verified
Latest-generation Photographic StylesApple's specification does not identify the Styles 3 feature set listed for iPhone 18 Pro. No exclusive software feature is inferred.
Time-lapse video
Sources
iPhone DuoNo source recorded
Not verified
Time-lapse video with stabilisationThe checked recording list does not state a time-lapse resolution. Ordinary 4K recording does not prove 4K time-lapse.
Audio Mix
Sources
iPhone DuoNo source recorded
Not verified
Audio MixNamed in the rear and front recording specifications. The checked material does not establish the newer music-isolation feature or a measured audio-quality result.
Claimed video playbackUp-to manufacturer claims. Playback protocols differ.Differs
Sources
31 hours (inner display) · 44 hours (outer display)Apple UK local-video claim; inner display. The 44-hour outer-display claim is a different mode. Different mode from the 31-hour inner-display claim. Published per display. Neither figure is a like-for-like match for a single-screen phone's claim, so it is not ranked against one.
37 hoursManufacturer up-to local-video claim, not independently measured mixed-use endurance. Apple's playback method differs from Samsung's.
Yes
YesApple lists MagSafe and Qi2 wireless charging up to 25W.
Battery and charging
Sources
iPhone 17 Pro MaxNo source recorded
Up to 31 h video (44 h on cover screen); fast wired charging (60 W adapter), 25 W wirelessApple does not publish battery capacity in mAh. Up to 50% in around 20 minutes with a separately sold 60 W-capable or higher USB-C adapter; MagSafe and Qi2 up to 25 W. Apple claims, not independent tests.
Not verified
26 hours (inner display)Inner display. Published per display. Neither figure is a like-for-like match for a single-screen phone's claim, so it is not ranked against one.
33 hoursApple UK claim; not a mixed-use endurance measurement.
20 minutesApple claim with a separately sold 60W-capable adapter.
20 minutesApple claim with a separately sold 40W-capable adapter or higher; not a sustained charging rate.
25 WCompatible charger and adapter required.
25 WMagSafe and Qi2 maximum with compatible charging equipment. Apple's MagSafe test requires a 30W adapter or higher; this is not measured charging speed.
24 hoursApple typical-use claim based on equal use of the inner and outer displays; distinct from video playback and not a cross-brand endurance test.
Not verifiedThe checked UK specification publishes local and streamed video playback, not a comparable mixed-use hours claim.
MagSafe support
Sources
iPhone DuoNo source recorded
Not verified
YesMagSafe charging, magnet array and alignment magnet are expressly listed. Generic Qi charging on another product does not by itself prove MagSafe support there.
Qi2 wireless charging maximum
Sources
iPhone DuoNo source recorded
Not verified
25 WThe exact UK specification separately lists Qi2 wireless charging up to 25 W. This is a protocol-specific published maximum with compatible equipment, not a measured or sustained charging rate.
Update policy
Sources
iPhone 17 Pro MaxNo source recorded
No fixed update period published; ships with iOS 27.1
Not verified
Launch operating system
Sources
iPhone 17 Pro MaxNo source recorded
iOS 27.1
Not verified
Not verified
Apple Intelligence; Siri AI beta in iOS 27Checked 13 September 2026: Apple lists iOS 27 for release on 14 September. Siri AI starts in English beta on supported devices, with regional restrictions and daily limits for some server features. It is not an iPhone 18-exclusive capability or a promise of every feature in every language.
Apple A20 Pro · 6 CPU cores · 7 GPU cores · dual 16-core Neural Engine
Apple A19 Pro · 6 CPU cores · 6 GPU cores · 16-core Neural Engine
RAM and storage configuration
Sources
iPhone 17 Pro MaxNo source recorded
RAM not published; 256 GB storageApple does not publish RAM capacity.
Not verified
UK model A3720; eSIM onlyDual eSIM (two active eSIMs); no physical SIM slot; 5G (sub-6 GHz). Carrier eSIM support needs confirming with your network.
UK A3526 · nano-SIM + eSIMThe comparison retains the UK configuration when the retailer market changes. A model specification does not establish stock or support from a particular network.
256 GB
256 GBSelected 256 GB UK A3526 configuration. The model-specific support page and model index list 256 GB among the available capacities. This states storage, not RAM or retailer stock.
IP68Apple controlled test: 6 metres for 30 minutes; resistance is not permanent.
IP68Apple's controlled-lab claim is up to 6m for 30 minutes under IEC 60529; resistance is not permanent.
Yes
NoThe UK specification lists nano-SIM plus eSIM and dual-eSIM support.
USB-C · DisplayPort · USB 3 up to 10 Gb/s
USB-C · DisplayPort · USB 3 up to 10 Gb/sA USB 3 cable rated for 10 Gb/s is required; the connector shape alone does not establish this bandwidth.
Wi-Fi 7 · Bluetooth 6 · Thread
Wi-Fi 7 · Bluetooth 6 · Thread · UWB · NFCUWB is Apple's second-generation Ultra Wideband chip. The exact UK source explicitly lists these capabilities. Wi-Fi 7 and Ultra Wideband remain subject to regional availability; compatible equipment, provider and service conditions apply. This is not measured throughput or a new-generation-only advantage.
Touch ID in the side button
Face ID via TrueDepth in the Center Stage front camera
Announced
Sources
iPhone 17 Pro MaxNo source recorded
2026-09-09
Not verified
Pre-orders open
Sources
iPhone 17 Pro MaxNo source recorded
2026-10-16
Not verified
Announced availability
Sources
iPhone 17 Pro MaxNo source recorded
2026-10-23
Not verified
Apple UK reference price
Sources
iPhone 17 Pro MaxNo source recorded
£1,999Announced 256 GB configuration price; not a current retailer offer.
Not verified
US model distinctionConfiguration
Sources
US model A3447 is also eSIM only (dual eSIM) and adds 5G mmWave (bands n258, n260, n261); its video-playback claims match the UK model.
US A3257 · eSIM onlyA different regional model. US weight and battery claims are not substituted into the UK comparison; domestic US listing availability remains a retailer check.
Apple C2Listed in the UK Mobile and Wireless section for model A3720.
Not verifiedThe checked specification does not identify the cellular modem. The Apple N1 wireless networking chip is a separate component.
Stylus support
Sources
Apple Pencil (USB-C), announced for later in 2026Apple says support arrives later this year on either display, so it may not be available at launch.
Not verified
Headphone jack
Sources
iPhone DuoNo source recorded
Not verifiedNot verified for this exact model.
NoDerived from Apple's exhaustive connector specification, which lists USB-C and no 3.5mm connector.
Expandable storage
Sources
iPhone DuoNo source recorded
Not verifiedNot verified for this exact model.
NoNo built-in memory-card slot is listed. External USB-C storage for supported recording workflows is a separate capability.
GPU capabilities
Sources
iPhone DuoNo source recorded
Not verified
Neural Accelerators in the 6-core GPU · hardware-accelerated ray tracingPublished capabilities, not independent performance measurements.
Body and cover materials
Sources
iPhone DuoNo source recorded
Not verified
Aluminium unibody · Ceramic Shield 2 front · Ceramic Shield backMaterials and coating names do not establish comparative drop or scratch resistance.
Wireless networking chip
Sources
iPhone DuoNo source recorded
Not verified
Apple N1Networking chip identity; not the cellular modem or a measured throughput result.
Show unverified (10)Not verified or conflicting for both phones. Kept for completeness; never counted as a difference.
Not verified8K recording is not mentioned.
Not verified8K recording · Not verified for this exact model.
Published support term
Sources
Not verifiedNot verified for this exact model.
Not verifiedNot verified for this exact model.
RAM
Sources
iPhone 17 Pro MaxNo source recorded
Not verifiedNot published by Apple.
Not verified
Reverse wireless charging
Sources
iPhone DuoNo source recorded
Not verifiedNot verified for this exact model.
Not verifiedNot verified for this exact model.
Chip manufacturing process
Sources
iPhone DuoNo source recorded
Not verified
Not verifiedThe checked A19 Pro specification and launch article do not state the process node. A specification for another A19 variant is not substituted.
Not verified
Conflicting sourcesApple UK support and model identification state 6.86 inches; the UK launch article states 6.85 inches. The nominal 6.9-inch size remains separate. This unresolved difference is excluded from numeric comparisons.
Camera Reference Image
Sources
iPhone DuoNo source recorded
Not verified
Not verifiedThis named feature is not established by the checked iPhone 17 Pro recording specification. Its absence from that page is not proof that all reference-image workflows are impossible.
Add Cinematic effects after ordinary video capture
Sources
iPhone DuoNo source recorded
Not verified
Not verifiedThe checked specification lists Cinematic recording but does not establish the newer ordinary-video conversion feature. Editing footage already recorded in Cinematic mode is a separate capability.
Smart focus tracking
Sources
iPhone DuoNo source recorded
Not verified
Not verifiedNot named in the checked iPhone 17 Pro specification. This does not establish that all subject tracking is absent.
Built-in pro camera controls
Sources
iPhone DuoNo source recorded
Not verified
Not verifiedThe checked specification lists Camera Control exposure, depth, zoom, cameras, styles and tone; it does not establish the full aperture/shutter/white-balance/histogram workflow listed for iPhone 18 Pro.
Exact variants · Manufacturer specificationsView sources
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Manufacturer specifications verified for both phones. Your choice doesn’t change the comparison above.

Good comparisons start with good sources.9 cited sources for this pair. Every number has a story.See the evidence

Your selected categories: Display. Scores reflect published capabilities, not hands-on testing. Manufacturer battery claims can use different test conditions. Verified specifications remain visible even where a category cannot be scored.

How we calculate scores

Apple iPhone Duo

256 GB · checked 28 Sept 2026

Your weighted score87.8 / 100Selected categories: Display.

(87.75 × 1) ÷ 1

Display87.8 / 100

Published brightness, pixel density and maximum refresh under the existing capability model. This is not a laboratory display rating.

Selected weight: 1.

medium confidence · 100% model coverage
Published peak brightnessSource value: 3000
100.00 × 40% = 40.00

Manufacturer-published peak figure; not an independent measurement.

Apple
Pixel densitySource value: 430
65.00 × 35% = 22.75

Published or explicitly calculated pixel density.

Apple
Maximum adaptive refresh rateSource value: 120
100.00 × 25% = 25.00Apple

Category score = 40.00 + 22.75 + 25.00 = 87.75

CameraNot scored

Camera hardware is listed, but all inputs for the camera-capability model have not been verified.

Not included in your current weighted score.

Missing: Complete model-defined camera workflow evidence.

BatteryNot scored

Video playback is published per display (inner and outer screens), so no single figure is comparable with a single-screen phone's claim.

Not included in your current weighted score.

Missing: A playback claim for the whole phone.

PerformanceNot scored

Comparable independent CPU, GPU and sustained-performance measurements are not available here.

Not included in your current weighted score.

Missing: Independent benchmarks.

LongevityNot scored

The published update policy is listed separately; remaining support is not converted into a quality score.

Not included in your current weighted score.

Missing: Comparable remaining-support scoring methodology.

Specifications & verification
Weight254 gManufacturer claim · high confidenceApple
Width84.1 mmManufacturer claim · high confidence

Closed width

Apple
Thickness11.3 mmManufacturer claim · high confidence

Closed thickness

Apple
Display size7.6 inchesManufacturer claim · high confidence

Inner display when open; outer display is 5.4 inches.

Apple
Peak brightness3,000 nitsManufacturer claim · high confidence

Manufacturer claim, not an independent measurement.

Apple
Claimed video playback31 hoursManufacturer claim · high confidence

Apple UK local-video claim; inner display. The 44-hour outer-display claim is a different mode.

Apple
Claimed charging rate2.5% per minuteCalculated from sources · low confidence

Apple claim with a separately sold 60W-capable adapter. 50 divided by 20 minutes; not a sustained charging rate.

Apple
Published total supportNot verified

Not published

Wireless chargingYesManufacturer claim · high confidenceApple
Reverse wireless chargingNot verified

Not published

Headphone jackNot verified

Not published

Expandable storageNot verified

Not published

eSIM onlyYesManufacturer claim · high confidenceApple
IP ratingIP68Manufacturer claim · high confidence

Apple controlled test: 6 metres for 30 minutes; resistance is not permanent.

Apple
RAMNot verified

Not published

Apple
Pixel density430 ppiManufacturer claim · high confidenceApple
Maximum refresh rate120 HzManufacturer claim · high confidence

Adaptive ProMotion; refresh depends on content.

Apple
Native telephoto reach0×Manufacturer claim · high confidence

No dedicated telephoto module; the 2× mode is a crop.

Apple
Claimed optical-quality reach2×Manufacturer claim · high confidence

Manufacturer crop-mode claim; not a separate lens.

Apple
Rear camera modules2Manufacturer claim · high confidenceApple
8K recordingNot verified

Not published

Apple
Manufacturer list price£1,999.00Reference only · not a live offer or current priceApple
All sources4
  1. Apple UK iPhone Duo technical specificationsApple · accessed 9 Sept 2026
  2. Apple US iPhone Duo technical specificationsApple · accessed 9 Sept 2026
  3. Apple UK iPhone Duo, 256 GB, Night SkyApple · accessed 9 Sept 2026
  4. Apple announces iPhone DuoApple · accessed 9 Sept 2026

Apple iPhone 17 Pro Max

256 GB · checked 4 Sept 2026

Your weighted score93.0 / 100Selected categories: Display.

(93.00 × 1 + 100.00 × 0) ÷ 1

Display93.0 / 100

Scores Apple-published 3,000-nit outdoor peak brightness, 460 ppi and adaptive refresh up to 120Hz. Peak brightness is not independently measured.

Selected weight: 1.

medium confidence · 100% model coverage
Published peak brightnessSource value: 3000
100.00 × 40% = 40.00

Manufacturer-published peak figure; not an independent measurement.

Apple
Pixel densitySource value: 460
80.00 × 35% = 28.00

Apple publishes 460 ppi directly.

Apple
Maximum adaptive refresh rateSource value: 120
100.00 × 25% = 25.00Apple

Category score = 40.00 + 28.00 + 25.00 = 93.00

CameraNot scored

Published camera specifications remain available, but omission of 8K from the recording table does not establish its absence. The camera model requires verified recording support, so its score is withheld.

Not included in your current weighted score.

Missing: Explicitly verified 8K recording support or non-support.

Battery100.0 / 100

Uses Apple's up-to 37-hour local-video claim and up-to-50%-in-20-minutes claim. The v1 runtime component is capped at its published 35-hour ceiling; these are not independent endurance measurements.

Not included in your current weighted score.

low confidence · 100% model coverage
Manufacturer-claimed local video playbackSource value: 37
100.00 × 65% = 65.00

Manufacturer up-to local-video claim, not independently measured mixed-use endurance. Apple's playback method differs from Samsung's.

AppleApple
Manufacturer-claimed charging rateSource value: 2.5
100.00 × 35% = 35.00

50% divided by 20 minutes using Apple's 40W-or-higher adapter claim; not a sustained charging measurement.

Apple

Category score = 65.00 + 35.00 = 100.00

PerformanceNot scored

Apple publishes chip configuration and relative marketing claims, but no comparable cross-platform benchmark under this methodology.

Not included in your current weighted score.

Missing: Comparable independently measured CPU benchmark, Comparable independently measured GPU benchmark, Comparable sustained-performance test.

LongevityNot scored

Apple describes long software support and lists iOS 27 compatibility, but its UK material does not promise a fixed support duration for this model.

Not included in your current weighted score.

Missing: Published model-specific OS support duration in years.

Specifications & verification
Weight231 gManufacturer claim · high confidence

Exact UK specification. Weight can differ by configuration; no relative US weight is inferred here.

Apple
Width78 mmManufacturer claim · high confidenceApple
Thickness8.75 mmManufacturer claim · high confidenceApple
Display size6.9 inchesManufacturer claim · high confidence

Nominal diagonal. Apple UK sources disagree on the standard-rectangle measurement (6.86 versus 6.85 inches); actual viewable area is smaller. See the separate rectangular-diagonal evidence.

Apple
Peak brightness3,000 nitsManufacturer claim · medium confidence

Apple-published outdoor peak, not an independent measurement; HDR peak is 1,600 nits and typical maximum is 1,000 nits.

Apple
Claimed video playback37 hoursManufacturer claim · medium confidence

Manufacturer up-to local-video claim, not independently measured mixed-use endurance. Apple's playback method differs from Samsung's.

AppleApple
Claimed charging rate2.5% per minuteCalculated from sources · low confidence

A normalized rate derived from a manufacturer up-to claim, not a sustained charging measurement. Apple requires a 40W-or-higher adapter.

50 percent divided by 20 minutes.

Apple
Published total supportNot verified

Not published

Apple Newsroom UKApple
Wireless chargingYesManufacturer claim · high confidence

Apple lists MagSafe and Qi2 wireless charging up to 25W.

Apple
Reverse wireless chargingNot verified

Not published

Apple
Headphone jackNoCalculated from sources · high confidence

Derived from Apple's exhaustive connector specification, which lists USB-C and no 3.5mm connector.

Apple
Expandable storageNoCalculated from sources · medium confidence

No built-in memory-card slot is listed. External USB-C storage for supported recording workflows is a separate capability.

Apple
eSIM onlyNoManufacturer claim · high confidence

The UK specification lists nano-SIM plus eSIM and dual-eSIM support.

Apple
IP ratingIP68Manufacturer claim · high confidence

Apple's controlled-lab claim is up to 6m for 30 minutes under IEC 60529; resistance is not permanent.

Apple
RAMNot verified

Not published

Apple
Pixel density460 ppiManufacturer claim · high confidence

Apple publishes 460 ppi directly for this model; no rounded-diagonal calculation is substituted.

Apple
Maximum refresh rate120 HzManufacturer claim · high confidence

Maximum adaptive ProMotion refresh rate; not a constant rate or measured motion-quality result.

Apple
Native telephoto reach4×Manufacturer claim · high confidenceApple
Claimed optical-quality reach8×Manufacturer claim · high confidence

Apple's sensor-derived optical-quality mode is not a separate native 8x lens.

Apple
Rear camera modules3Manufacturer claim · high confidence

Apple's model-identification page explicitly lists three rear cameras: Fusion Main, Fusion Ultra Wide and Fusion Telephoto. The 2× and 8× crop modes are not extra modules.

Apple
8K recordingNot verified

Not published

Apple
Manufacturer list price£1,199.00Reference only · not a live offer or current priceApple Newsroom UK
All sources8
  1. iPhone 17 Pro Max technical specifications — Apple UK supportApple · accessed 11 Sept 2026
  2. Apple unveils iPhone 17 Pro and iPhone 17 Pro MaxApple Newsroom UK · accessed 3 Sept 2026
  3. iPhone - Battery Test InformationApple · accessed 3 Sept 2026
  4. iOS 27 Preview and CompatibilityApple · accessed 3 Sept 2026
  5. iPhone 17 Pro Max technical specifications — Apple UK supportApple · accessed 11 Sept 2026
  6. Identify your iPhone model — regional model numbersApple · accessed 11 Sept 2026
  7. iOS 27 — compatibility, release and Apple Intelligence requirementsApple · accessed 13 Sept 2026
  8. iPhone 17 Pro Max UK technical specifications — wireless connectivityApple · accessed 15 Oct 2026
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