Xiaomi Redmi 15 4G deals

Find the best deal on the Xiaomi Redmi 15 4G from 6 options.

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Budget buyers who want exceptional battery life and a large display but do not need 5G connectivity or heavy processing power.

Massive 7,000mAh battery lasting up to two days with 18W reverse charging
Large 6.9-inch IPS LCD display with smooth 144Hz refresh rate at Full HD+
One of the most affordable Xiaomi phones in the UK starting around £100

Xiaomi Redmi 15 4G Contract

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Redmi 15 4G vs Redmi 15 (5G) — Key Differences

Feature	Xiaomi Redmi 15 4G	Redmi 15
Display	6.9-inch IPS LCD, 144Hz, FHD+, Gorilla Glass 3	6.9-inch IPS LCD, 144Hz, FHD+, Gorilla Glass 3
Chipset	Qualcomm Snapdragon 685 (4G only)	Qualcomm Snapdragon 6s Gen 3 (5G)
Camera system	50MP main + secondary sensor, 8MP front	50MP main + secondary sensor, 8MP front
Battery	7,000mAh, 33W charging, 18W reverse	7,000mAh, 33W charging, 18W reverse
Build / Design	Plastic, IP64, 224g	Plastic, IP64, 217g
Storage options	128GB / 256GB with microSD	128GB / 256GB with microSD
SIM-free price	Not available	From £130.94

Frequently Asked Questions

Is the Redmi 15 4G worth buying?

The Redmi 15 4G is excellent value if you prioritise battery life and do not need 5G. Its 7,000mAh battery can last two days on moderate use, and the large 144Hz display is a genuine treat at this price. For light users and budget-conscious buyers, it is hard to beat.

How good is the Redmi 15 4G camera?

The 50MP main camera takes respectable photos in good lighting with decent detail and natural colours. It handles social media shots and casual everyday photography well, though low-light results are limited. The 8MP front camera is adequate for selfies and video calls.

Does the Redmi 15 4G support 5G?

No, the Redmi 15 4G is a 4G-only device powered by the Snapdragon 685 chipset. If 5G connectivity is important to you, Xiaomi offers the Redmi 15 5G variant with the faster Snapdragon 6s Gen 3 at a slightly higher price point.

Can the Redmi 15 4G be used as a power bank?

Yes, the Redmi 15 4G supports 18W reverse wired charging, allowing you to charge other devices like earbuds, smartwatches, or even another phone from its enormous 7,000mAh battery. This is a genuinely useful feature for travel or emergencies.

How long does the Redmi 15 4G battery last?

With a 7,000mAh battery, the Redmi 15 4G comfortably lasts two days under moderate use. Even heavy users should get through a full day without concern. The 33W fast charging means a full recharge takes a little over an hour, which is reasonable given the massive capacity.

How does the Redmi 15 4G compare to the Redmi 15 5G?

Both phones share the same 7,000mAh battery, 6.9-inch 144Hz display, IP64 rating, and 50MP camera. The key difference is the chipset: the 5G model uses the faster Snapdragon 6s Gen 3 with 5G support, while the 4G version uses the Snapdragon 685. The 5G variant is also slightly lighter at 217g versus 224g. If you do not need 5G or extra processing power, the 4G model saves you money for an almost identical experience. Compare Redmi 15 deals.

Compare Redmi 15 deals

Xiaomi Redmi 15 4G Specifications

General

Dimensions

171.1 x 82.1 x 8.6

Weight

224 g

SIM

Nano-SIM + Nano-SIM

Operating System

Android 15, HyperOS 2

Colours

Black Grey Purple

Radio

Body

Midnight Black, Titan Gray, Sandy Purple

Camera

Primary Camera Megapixels

Primary Camera

50 , f/1.8, (wide), PDAF

Primary Camera Video

1080@30fs

Second Camera

50 , f/1.8, (wide), PDAF

Third Camera

50 , f/1.8, (wide), PDAF

Selfie Camera Features

HDR

Primary Selfie Camera

8 , f/2.0, (wide)

Video Resolution

1080

Selfie Video Resolution

1080@30fs

Display

Type

IPS LCD, 144Hz

Display Size

6.9

Display Resolution

1080 x 2340 pixels, 19.5:9 ratio (~374 ppi density)

Display Protection

Mohs level 6

CPU & Memory

Chipset

Snapdragon 685

GPU

Adreno 610

CPU

Octa-core (4x2.8 GHz Cortex-A73 & 4x1.9 GHz Cortex-A53)

Memory Card Slot

microSDXC (uses shared SIM slot)

Internal Storage

128GB 256GB

Sound

Loudspeaker

Yes

3.5mm Jack

Connectivity & Data

2G

GSM 850 / 900 / 1800 / 1900

3G

HSDPA 850 / 900 / 1900 / 2100

4G

LTE

Network Speed

HSPA, LTE

Network Technology

GSM / HSPA / LTE

Wi-Fi

Wi-Fi 802.11 b/g/n/ac, dual-band

Bluetooth

5.0, A2DP, LE

USB

USB Type-C 2.0

NFC

Yes (market/region dependent)

GPS

GPS, GLONASS, GALILEO, BDS

Battery

7000

Charging

33W wired

Other

Sensors

Fingerprint (side-mounted), accelerometer, compass