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Xiaomi REDMI Note 15 Pro+ 5G

The Xiaomi REDMI Note 15 Pro+ 5G went on sale on 25 December 2025. The Xiaomi UK store price is £429 (read 12 September 2026). It has a 6.83-inch display, a weight of 207.1 g, the Snapdragon 7s Gen 4 (4nm) chip, a 200 MP main camera and 256 GB of storage to start. Xiaomi claims up to 25 hours of video playback. Security updates are committed until 25 December 2031. Every figure in the Xiaomi REDMI Note 15 Pro+ 5G specifications below links the page it came from and the date it was read.

163.34 mm78.31 mm8.19 mm
Released
2025-12-25GSMArena — Xiaomi Redmi Note 15 Pro+ specifications, retrieved 2026-08-20
Price
£429Xiaomi UK store — REDMI Note 15 Pro+ 5G (list / original price, 8 GB + 256 GB), retrieved 2026-09-12

Battery per charge

60.78h

Official

Peak brightness

3200nits

Official

Weight

207.1g

Official

Water/dust rating

IP66/IP68

Official

Specifications

Every figure carries its source, linked and dated.

Body

Dimensions
163.34 x 78.31 x 8.19 mmOfficial
Weight
207.1gOfficial
Build
Glass front (Gorilla Glass Victus 2), glass-fiber reinforced plastic back or silicone polymer back (eco leather)3rd party
SIM
Dual SIM (nano SIM + nano SIM or nano SIM + eSIM)Official
Water/dust rating
IP66/IP68Official
Unlock
In-screen fingerprint sensor, AI face unlockOfficial

Display

Display type
6.83" CrystalRes AMOLED, 120Hz, 12-bit, HDR10+, Dolby VisionOfficial
Display size
6.83inOfficial
Resolution
2772 x 1280Official
Pixel density
447ppiOfficial
Refresh rate
120HzOfficial
Peak brightness
3200nitsOfficial
Screen protection
Corning Gorilla Glass Victus 2Official

Platform

Operating system
Xiaomi HyperOS 2Official

Xiaomi UK — REDMI Note 15 Pro+ 5G specs claims Xiaomi HyperOS 2 · GSMArena — Xiaomi Redmi Note 15 Pro+ specifications reports Android 15, HyperOS 2

Chipset
Snapdragon 7s Gen 4 (4nm)Official
CPU
Octa-core, up to 2.7GHzOfficial

Xiaomi UK — REDMI Note 15 Pro+ 5G specs claims Octa-core, up to 2.7GHz · GSMArena — Xiaomi Redmi Note 15 Pro+ specifications reports Octa-core (1x2.7 GHz Cortex-A720 & 3x2.4 GHz Cortex-A720 & 4x1.8 GHz Cortex-A520)

GPU
Adreno GPUOfficial

Xiaomi UK — REDMI Note 15 Pro+ 5G specs claims Adreno GPU · GSMArena — Xiaomi Redmi Note 15 Pro+ specifications reports Adreno 810

Memory

Storage (base)
256GBOfficial
Storage options
256GB/512GBOfficial
RAM
8GBOfficial
Card slot
No3rd party

Camera

Main camera
200 MP main (f/1.7, 1/1.4", OIS) + 8 MP ultrawide (f/2.2)Official
Main sensor resolution
200MPOfficial
Main aperture
f/1.7Official
Main sensor size
1/1.4"Official
Ultrawide
8 MP, f/2.2Official
Front camera
32 MP, f/2.2, 1/3.6"Official
Video capture
4K@30fps, 1080p@30/60fps, 720p@30fpsOfficial

Battery

Battery capacity
6500mAhOfficial
Battery per charge
60.78hOfficial

EU energy label (via GSMArena), retrieved 2026-08-20

Claimed video playback
25hOfficial
Battery lifespan
1000cyclesOfficial

EU energy label (via GSMArena), retrieved 2026-08-20

Fast charging
100WOfficial

Connectivity

Wi-Fi
Wi-Fi 6/6E/Wi-Fi 5/Wi-Fi 4/802.11a/b/gOfficial
Bluetooth
5.4Official
USB
USB Type-C 2.0, OTG3rd party
NFC
YesOfficial
Positioning
GPS L1, GLONASS G1, BDS B1I+B1C, Galileo E1, QZSS L1, A-GPSOfficial

Benchmarks

AnTuTu benchmark
9758923rd party

AnTuTu official ranking, retrieved 2026-09-15

Misc

Colours
Black, Glacier Blue, Mocha BrownOfficial
Repairability (EU class)
COfficial

EU energy label (via GSMArena), retrieved 2026-08-20

10 attributes without a sourced figure yet

Typical brightness · HDR peak brightness · OS versions supported · Google Mobile Services · Telephoto · Wireless charging · Geekbench 6 (CPU, multi-core) · 3DMark Wild Life Extreme · DXOMARK camera score · SAR (EU, head). A gap in our data, not a statement about the phone — rows appear as sources are cited.

What it actually costs

New against used, and what the same shop pays for the phone in your pocket.

New

recommended retail

£429

Xiaomi UK store — REDMI Note 15 Pro+ 5G (list / original price, 8 GB + 256 GB), retrieved 2026-09-12

Used, Grade A

cheapest of 3 colours

£280–£325

CeX, read 2026-10-05 · repriced 2026-09-11

Used, Grade B

cheapest of 2 colours

£265–£295

CeX, read 2026-10-05 · repriced 2026-08-14

Trade in yours, Grade A

£176cash£190voucher

CeX, read 2026-10-05 · 8% more as store credit

Prices move; these were read on 2026-10-05. Used and trade-in figures are CeX's own, for an unlocked handset at this device's base storage. CeX prices each colour separately, so a grade shows as the range across them. We hold no stock and take no commission.

Software support

Feature updates until
Not published by the maker
Security updates until

Basis: manufacturer commitment

Xiaomi's UK product page states 6 years of security updates. The calendar end date is 6 years after GSMArena's 2025-12-25 global release date. Xiaomi does not publish a separate OS-upgrade end date on the UK pages; GSMArena lists up to 4 major OS updates.

Xiaomi UK — REDMI Note 15 Pro+ 5G, retrieved 2026-08-20

The per-model page, with the maker’s commitment or Apple’s pattern: When does the REDMI Note 15 Pro+ 5G stop getting updates?

Comparisons

The pairs a buyer of this phone would weigh, row by row with a verdict on each. Any other phone in the catalogue is a chooser away. Wondering whether to move at all? Should I upgrade my REDMI Note 15 Pro+ 5G?

Against other Xiaomi phones

Against other makers

Watches that work with this phone

17 of the 39 watches in the catalogue pair with the REDMI Note 15 Pro+ 5G, by the makers’ own compatibility statements. Full sheet on each watch’s page; all of them at Watches. Every watch sorted for this kind of phone, including the ones that do not pair: Which smartwatches work with any Android phone?

Works in full 6

Every feature the maker lists works with the REDMI Note 15 Pro+ 5G.

WatchMaker’s compatibility statementSource
Garmin fēnix 9 43mm“Compatible with iPhone and Android”Garmin UK — fēnix 9 Pro 47 mm, retrieved 2026-09-13Official
Garmin fēnix 9 47mm“Compatible with iPhone and Android”Garmin UK — fēnix 9 Pro 47 mm, retrieved 2026-09-13Official
Garmin fēnix 9 51mm“Compatible with iPhone and Android”Garmin UK — fēnix 9 Pro 47 mm, retrieved 2026-09-13Official
Garmin fēnix 9 Pro 47mm“Compatible with iPhone and Android”Garmin UK — fēnix 9 Pro 47 mm, retrieved 2026-09-13Official
Garmin Venu 4 41mm“Compatible with iPhone and Android”Garmin UK — Venu 4 41 mm, retrieved 2026-09-13Official
Garmin Venu 4 45mm“Compatible with iPhone and Android”Garmin UK — Venu 4 45 mm, retrieved 2026-09-13Official

Works, with the maker’s caveat 11

Pairs with the REDMI Note 15 Pro+ 5G; some features need the maker’s own phone. The maker’s words are quoted on each row.

WatchMaker’s compatibility statementSource
Google Pixel Watch 5 41mm“Works with most phones running on Android 12.0 or newer. Requires a Google Account and the Google Pixel Watch app.”Google Store UK — Pixel Watch 5 specs, retrieved 2026-09-13Official
Google Pixel Watch 5 45mm“Works with most phones running on Android 12.0 or newer. Requires a Google Account and the Google Pixel Watch app.”Google Store UK — Pixel Watch 5 specs, retrieved 2026-09-13Official
Galaxy Watch Ultra2 47mm“Android 13.0 or higher and with more than 1.5GB of memory”Samsung Newsroom UK — Galaxy Watch Ultra2 and Watch9, retrieved 2026-09-13Official
Galaxy Watch9 40mm“Android 13.0 or higher and with more than 1.5GB of memory”Samsung Newsroom UK — Galaxy Watch Ultra2 and Watch9, retrieved 2026-09-13Official
Galaxy Watch9 44mm“Android 13.0 or higher and with more than 1.5GB of memory”Samsung Newsroom UK — Galaxy Watch Ultra2 and Watch9, retrieved 2026-09-13Official
Google Pixel Watch 4 41mm“Works with most phones running on Android 11.0 or newer. Requires a Google Account and the Google Pixel Watch app.”Google Store UK — Pixel Watch 4 specs, retrieved 2026-09-13Official
Google Pixel Watch 4 45mm“Works with most phones running on Android 11.0 or newer. Requires a Google Account and the Google Pixel Watch app.”Google Store UK — Pixel Watch 4 specs, retrieved 2026-09-13Official
Galaxy Watch Ultra 47mm“Android 11.0 or higher and with more than 1.5GB of memory”Samsung Newsroom UK — Galaxy Watch8 series, retrieved 2026-09-13Official
Galaxy Watch8 40mm“Android 11.0 or higher and with more than 1.5GB of memory”Samsung Newsroom UK — Galaxy Watch8 series, retrieved 2026-09-13Official
Galaxy Watch8 44mm“Android 11.0 or higher and with more than 1.5GB of memory”Samsung Newsroom UK — Galaxy Watch8 series, retrieved 2026-09-13Official
Galaxy Watch8 Classic 46mm“Android 11.0 or higher and with more than 1.5GB of memory”Samsung Newsroom UK — Galaxy Watch8 series, retrieved 2026-09-13Official