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Your choice. With the evidence.

Is it worth upgrading from the Apple iPhone Duo?

Start with what you own. See what meets more of your needs, what stays the same and what you would give up.

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Phones · 1/5 in this check (kept in the link)

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Your phone

Apple iPhone Duo

256 GB · Night Sky · UK A3720 · dual eSIM · MK2E4QN/A
Screen size
7.6 in
Refresh rate
120 Hz
Weight
254 g
Wireless charging
Yes
Product detailsChoose a different phone

Your current product and replacements

Your prioritiesCategory, search, shopping market, budget and must-haves

Other phones compared with yours

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Closest to the Apple iPhone Duo · 256 GB by stated key specifications first. Closeness is not a ranking; each card lists what differs.

iPhone 18 Pro Max in Burgundy, official Apple front and rear product views
UK model

Apple iPhone 18 Pro Max · 256 GB

Compared with yours · Apple iPhone Duo

  • Screen size7.6 in → 6.9 in
  • Weight254 g → 249 g
  • Claimed video playback31 hours (inner display) · 44 hours (outer display) → 43 hours
  • Time to 50% wired charge20 minutes → 15 minutes
  • Camera systemMain: 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 f/1.48, f/1.8, f/2.8 and f/4 apertures (OIS); Telephoto: 48 MP, 4x optical (OIS); Ultra-wide: 48 MP; Front: 18 MP; Video: up to 4K 120 fps
3 more differences
  • Display specificationMain: 7.6-inch OLED, 2670 × 1878; Cover: 5.4-inch OLED, 2034 × 1398; both up to 120 Hz, 3000 nits peak (outdoor) → 6.9-inch OLED; 2868 × 1320; up to 120 Hz; 3000 nits peak (outdoor)
  • Update policyNo fixed update period published; ships with iOS 27.1 → No fixed update period published; launched with iOS 27
  • Launch operating systemiOS 27.1 → iOS 27

Same: Refresh rate 120 Hz · Wireless charging Yes

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View details

Full comparison vs Apple iPhone 17 Pro Max

More details & evidence

Exact model: 256 GB · Burgundy · UK model A3717 · nano-SIM + eSIM · MJXQ4QN/A

Sources: 59 of 66 specifications cited.

Evidence · Some facts need verification

59/66 listed facts sourced. Checked 28 Sept 2026. This describes source coverage, not product quality or independent testing.

Manufacturer facts
57
Calculated from sources
2
Independent measurements
Not available
Owner evidence
Not available
Conflicting facts
None recorded
View the manufacturer source

UK exact model

Market details

UK specification. UK availability not verified.

The specification region comes from this product’s reviewed variant record. It does not confirm local stock, warranty or delivery.

Check the manufacturer source

We have no current verified retailer listing for this exact variant in United Kingdom. A price you enter does not establish retailer availability.

Before you choose

Key specification sources
Screen size6.9 in
Evidence & conditions

Manufacturer specification

Nominal diagonal; actual viewable area is smaller.

Apple UK iPhone 18 Pro Max technical specifications
Maximum refresh rate120 Hz
Evidence & conditions

Manufacturer specification

Adaptive ProMotion; refresh depends on content.

Apple UK iPhone 18 Pro Max technical specifications
Weight249 g
Evidence & conditions

Manufacturer specification

Apple UK iPhone 18 Pro Max technical specifications
Wireless chargingYes
Evidence & conditions

Manufacturer specification

Apple UK iPhone 18 Pro Max technical specifications
Enter a price you found

Your total including delivery and taxes, for this exact variant in new condition. This remains your assumption.

All product specifications →
iPhone 17 in Lavender, front and rear
UK model

Apple iPhone 17 · 256 GB

Compared with yours · Apple iPhone Duo

  • Screen size7.6 in → 6.3 in
  • Weight254 g → 177 g
  • ChipsetApple A20 Pro · 6 CPU cores · 7 GPU cores · dual 16-core Neural Engine → Apple A19 · 6-core CPU · 5-core GPU · 16-core Neural Engine
  • Rear 4K recording maximum120 fps → 60 fps
  • Claimed video playback31 hours (inner display) · 44 hours (outer display) → 30 hours
5 more differences
  • Camera systemMain: 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 sensor-shift OIS · 48 MP ultra-wide · 2× framing enabled by the main sensor
  • Display specificationMain: 7.6-inch OLED, 2670 × 1878; Cover: 5.4-inch OLED, 2034 × 1398; both up to 120 Hz, 3000 nits peak (outdoor) → 6.3-inch OLED · 2622 × 1206 · adaptive ProMotion up to 120 Hz
  • Wireless connectivityWi-Fi 7 · Bluetooth 6 · Thread → Wi-Fi 7 · Bluetooth 6 · Thread · UWB · NFC
  • Launch operating systemiOS 27.1 → iOS 26
  • ConnectionsUSB-C · DisplayPort · USB 3 up to 10 Gb/s → USB-C · USB 2 up to 480 Mb/s

Same: Refresh rate 120 Hz · Wireless charging Yes

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View details

Full comparison vs Apple iPhone 16 · 256 GB

More details & evidence

Exact model: 256 GB · Lavender · UK A3520 · nano-SIM + eSIM

Sources: 70 of 82 specifications cited.

Evidence · Some facts need verification

70/82 listed facts sourced. Checked 3 Sept 2026. This describes source coverage, not product quality or independent testing.

Manufacturer facts
67
Calculated from sources
3
Independent measurements
Not available
Owner evidence
Not available
Conflicting facts
None recorded
View the manufacturer source

UK exact model

Market details

UK specification. UK availability not verified.

The specification region comes from this product’s reviewed variant record. It does not confirm local stock, warranty or delivery.

Check the manufacturer source

We have no current verified retailer listing for this exact variant in United Kingdom. A price you enter does not establish retailer availability.

Before you choose

  • Check the listed regional variant. Manufacturer playback and brightness claims use different conditions across brands. Network support and independent performance are not established by these facts.
Key specification sources
Screen size6.3 in
Evidence & conditions

Manufacturer specification

Advertised nominal diagonal, not actual viewable area.

iPhone 17 technical specifications — UK
Maximum refresh rate120 Hz
Evidence & conditions

Manufacturer specification

Adaptive ProMotion up to 120 Hz; not a constant refresh rate or measured response performance.

iPhone 17 technical specifications — UK
Weight177 g
Evidence & conditions

Manufacturer specification

Device mass, not shipping mass; configuration and manufacture can vary.

iPhone 17 technical specifications — UK
Wireless chargingYes
Evidence & conditions

Manufacturer specification

MagSafe and Qi2 are explicitly listed.

iPhone 17 technical specifications — UK
Enter a price you found

Your total including delivery and taxes, for this exact variant in new condition. This remains your assumption.

All product specifications →
iPhone 17 Pro Max in Deep Blue, front and rear
UK model

Apple iPhone 17 Pro Max

Compared with yours · Apple iPhone Duo

  • Screen size7.6 in → 6.9 in
  • Weight254 g → 231 g
  • ChipsetApple 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
  • Claimed video playback31 hours (inner display) · 44 hours (outer display) → 37 hours
  • Camera systemMain: 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
1 more difference
  • Wireless connectivityWi-Fi 7 · Bluetooth 6 · Thread → Wi-Fi 7 · Bluetooth 6 · Thread · UWB · NFC

Same: Refresh rate 120 Hz · Wireless charging Yes

Compare side by side
View details

Full comparison vs Apple iPhone 16 Pro Max

More details & evidence

Exact model: 256 GB · Deep Blue · UK A3526 · nano-SIM + eSIM

Sources: 48 of 59 specifications cited · 1 with conflicting sources, shown as such.

Evidence · Conflicting facts to check

48/59 listed facts sourced. Checked 3 Sept 2026. This describes source coverage, not product quality or independent testing.

Manufacturer facts
45
Calculated from sources
3
Independent measurements
Not available
Owner evidence
Not available
Conflicting facts
1
View the manufacturer source

UK exact model

Market details

UK specification. UK availability not verified.

The specification region comes from this product’s reviewed variant record. It does not confirm local stock, warranty or delivery.

Check the manufacturer source

We have no current verified retailer listing for this exact variant in United Kingdom. A price you enter does not establish retailer availability.

Before you choose

  • Check the listed regional variant. Manufacturer playback and brightness claims use different conditions across brands. Network support and independent performance are not established by these facts.
Key specification sources
Screen size6.9 in
Evidence & conditions

Manufacturer specification

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
Maximum refresh rate120 Hz
Evidence & conditions

Manufacturer specification

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

iPhone 17 Pro Max technical specifications — Apple UK support
Weight231 g
Evidence & conditions

Manufacturer specification

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

iPhone 17 Pro Max technical specifications — Apple UK support
Wireless chargingYes
Evidence & conditions

Manufacturer specification

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

iPhone 17 Pro Max technical specifications — Apple UK support
Enter a price you found

Your total including delivery and taxes, for this exact variant in new condition. This remains your assumption.

All product specifications →
Apple iPhone 16 Pro Max in Desert Titanium, official front and rear product view
UK model

Apple iPhone 16 Pro Max

Compared with yours · Apple iPhone Duo

  • Screen size7.6 in → 6.9 in
  • Weight254 g → 227 g
  • ChipsetApple A20 Pro · 6 CPU cores · 7 GPU cores · dual 16-core Neural Engine → Apple A18 Pro · 6-core CPU · 6-core GPU · 16-core Neural Engine
  • Claimed video playback31 hours (inner display) · 44 hours (outer display) → 33 hours
  • Time to 50% wired charge20 minutes → 30 minutes
5 more differences
  • Camera systemMain: 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 second-generation sensor-shift OIS; 48 MP ultra-wide; 12 MP dedicated 5× telephoto with autofocus and optical stabilisation
  • Display specificationMain: 7.6-inch OLED, 2670 × 1878; Cover: 5.4-inch OLED, 2034 × 1398; both up to 120 Hz, 3000 nits peak (outdoor) → 6.9-inch OLED · 2868 × 1320 · adaptive refresh up to 120 Hz
  • Wireless connectivityWi-Fi 7 · Bluetooth 6 · Thread → Wi-Fi 7 · Bluetooth 5.3 · Thread · UWB · NFC
  • Update policyNo fixed update period published; ships with iOS 27.1 → A fixed end-of-support date has not been verified. Check current Apple software compatibility before buying.
  • Launch operating systemiOS 27.1 → iOS 18

Same: Refresh rate 120 Hz · Wireless charging Yes

Compare side by side
View details

Full comparison vs Apple iPhone 17 Pro Max

More details & evidence

Exact model: 256 GB · Desert Titanium · UK A3296 · nano-SIM + eSIM

Sources: 57 of 67 specifications cited.

Evidence · Some facts need verification

57/67 listed facts sourced. Checked 16 Oct 2026. This describes source coverage, not product quality or independent testing.

Manufacturer facts
57
Calculated from sources
0
Independent measurements
Not available
Owner evidence
Not available
Conflicting facts
None recorded
View the manufacturer source

UK exact model

Market details

UK specification. UK availability not verified.

The specification region comes from this product’s reviewed variant record. It does not confirm local stock, warranty or delivery.

Check the manufacturer source

We have no current verified retailer listing for this exact variant in United Kingdom. A price you enter does not establish retailer availability.

Before you choose

Key specification sources
Screen size6.9 in
Evidence & conditions

Manufacturer specification

Marketed diagonal. Rounded corners reduce the viewable area.

iPhone 16 Pro Max — Apple UK technical specifications
Maximum refresh rate120 Hz
Evidence & conditions

Manufacturer specification

iPhone 16 Pro Max — Apple UK technical specifications
Weight227 g
Evidence & conditions

Manufacturer specification

Published device mass; not shipping or accessory-inclusive mass.

iPhone 16 Pro Max — Apple UK technical specifications
Wireless chargingYes
Evidence & conditions

Manufacturer specification

iPhone 16 Pro Max — Apple UK technical specifications
Enter a price you found

Your total including delivery and taxes, for this exact variant in new condition. This remains your assumption.

All product specifications →
iPhone 18 Pro in Burgundy, official Apple front and rear product views
UK model

Apple iPhone 18 Pro · 256 GB

Compared with yours · Apple iPhone Duo

  • Screen size7.6 in → 6.3 in
  • Weight254 g → 211 g
  • Claimed video playback31 hours (inner display) · 44 hours (outer display) → 34 hours
  • Time to 50% wired charge20 minutes → 15 minutes
  • Camera systemMain: 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 f/1.48, f/1.8, f/2.8 and f/4 apertures (OIS); Telephoto: 48 MP, 4x optical (OIS); Ultra-wide: 48 MP; Front: 18 MP; Video: up to 4K 120 fps
3 more differences
  • Display specificationMain: 7.6-inch OLED, 2670 × 1878; Cover: 5.4-inch OLED, 2034 × 1398; both up to 120 Hz, 3000 nits peak (outdoor) → 6.3-inch OLED; 2622 × 1206; up to 120 Hz; 3000 nits peak (outdoor)
  • Update policyNo fixed update period published; ships with iOS 27.1 → No fixed update period published; launched with iOS 27
  • Launch operating systemiOS 27.1 → iOS 27

Same: Refresh rate 120 Hz · Wireless charging Yes

Compare side by side
View details

Full comparison vs Apple iPhone 17 Pro

More details & evidence

Exact model: 256 GB · Burgundy · UK model A3714 · nano-SIM + eSIM · MJRR4QN/A

Sources: 60 of 66 specifications cited.

Evidence · Some facts need verification

60/66 listed facts sourced. Checked 28 Sept 2026. This describes source coverage, not product quality or independent testing.

Manufacturer facts
58
Calculated from sources
2
Independent measurements
Not available
Owner evidence
Not available
Conflicting facts
None recorded
View the manufacturer source

UK exact model

Market details

UK specification. UK availability not verified.

The specification region comes from this product’s reviewed variant record. It does not confirm local stock, warranty or delivery.

Check the manufacturer source

We have no current verified retailer listing for this exact variant in United Kingdom. A price you enter does not establish retailer availability.

Before you choose

Key specification sources
Screen size6.3 in
Evidence & conditions

Manufacturer specification

Nominal diagonal; actual viewable area is smaller.

Apple UK iPhone 18 Pro technical specifications
Maximum refresh rate120 Hz
Evidence & conditions

Manufacturer specification

Adaptive ProMotion; refresh depends on content.

Apple UK iPhone 18 Pro technical specifications
Weight211 g
Evidence & conditions

Manufacturer specification

Apple UK iPhone 18 Pro technical specifications
Wireless chargingYes
Evidence & conditions

Manufacturer specification

Apple UK iPhone 18 Pro technical specifications
Enter a price you found

Your total including delivery and taxes, for this exact variant in new condition. This remains your assumption.

All product specifications →
iPhone 17 Pro in Cosmic Orange, front and rear
UK model

Apple iPhone 17 Pro

Compared with yours · Apple iPhone Duo

  • Screen size7.6 in → 6.3 in
  • Weight254 g → 204 g
  • ChipsetApple 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
  • Claimed video playback31 hours (inner display) · 44 hours (outer display) → 31 hours
  • Camera systemMain: 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
1 more difference
  • Wireless connectivityWi-Fi 7 · Bluetooth 6 · Thread → Wi-Fi 7 · Bluetooth 6 · Thread · UWB · NFC

Same: Refresh rate 120 Hz · Wireless charging Yes

Compare side by side
View details

Full comparison vs Apple iPhone 16 Pro

More details & evidence

Exact model: 256 GB · Cosmic Orange · UK A3523 · nano-SIM + eSIM

Sources: 49 of 59 specifications cited.

Evidence · Some facts need verification

49/59 listed facts sourced. Checked 3 Sept 2026. This describes source coverage, not product quality or independent testing.

Manufacturer facts
46
Calculated from sources
3
Independent measurements
Not available
Owner evidence
Not available
Conflicting facts
None recorded
View the manufacturer source

UK exact model

Market details

UK specification. UK availability not verified.

The specification region comes from this product’s reviewed variant record. It does not confirm local stock, warranty or delivery.

Check the manufacturer source

We have no current verified retailer listing for this exact variant in United Kingdom. A price you enter does not establish retailer availability.

Before you choose

  • Check the listed regional variant. Manufacturer playback and brightness claims use different conditions across brands. Network support and independent performance are not established by these facts.
Key specification sources
Screen size6.3 in
Evidence & conditions

Manufacturer specification

Nominal diagonal; Apple states 6.27 inches as a standard rectangle and that actual viewable area is smaller.

iPhone 17 Pro technical specifications — Apple UK support
Maximum refresh rate120 Hz
Evidence & conditions

Manufacturer specification

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

iPhone 17 Pro technical specifications — Apple UK support
Weight204 g
Evidence & conditions

Manufacturer specification

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

iPhone 17 Pro technical specifications — Apple UK support
Wireless chargingYes
Evidence & conditions

Manufacturer specification

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

iPhone 17 Pro technical specifications — Apple UK support
Enter a price you found

Your total including delivery and taxes, for this exact variant in new condition. This remains your assumption.

All product specifications →