Xiaomi Redmi 12 5G

5G

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Meet the Xiaomi Redmi 12 5G. Boasting an exquisite slim glass design, it’s a must for the style conscious. And with 5G connectivity, a huge battery, fast performance and a 50MP main camera, you can get on with all the important stuff with ease.

Looking for the Xiaomi Redmi 13C?

Phone and airtime Phone only

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10GB

DATA

36 month Device Plan

Unlimited UK Minutes & Texts

Monthly rolling Airtime Plan

Plans unlinked after 24 months

Upfront

.86

MONTHLY

£3.86 Device + £23.00 Airtime

Total monthly cost increasing to:

£28.66 from
Apr 2026 bill

£30.46 from
Apr 2027 bill

Airtime Plan will increase every year thereafter by £1.80 from April bill, except Data Only and Smartwatch Plans which will increase by 75p

Price rises each April
See plan information

30GB Plus

DATA

36 month Device Plan

Unlimited UK Minutes & Texts

Monthly rolling Airtime Plan

Plans unlinked after 24 months

Offers included

Get double data (30GB), boosted broadband speeds and more, when you’re with both Virgin Media and O2.

Roam at no extra cost in 75 destinations, USA included.

Get peace of mind with 3-Year Warranty.

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Upfront

.85

MONTHLY

£3.86 Device + £26.99 Airtime

Total monthly cost increasing to:

£32.65 from
Apr 2026 bill

£34.45 from
Apr 2027 bill

Airtime Plan will increase every year thereafter by £1.80 from April bill, except Data Only and Smartwatch Plans which will increase by 75p

Price rises each April
See plan information

50GB

DATA

36 month Device Plan

Unlimited UK Minutes & Texts

Monthly rolling Airtime Plan

Plans unlinked after 24 months

Upfront

.86

MONTHLY

£3.86 Device + £26.00 Airtime

Total monthly cost increasing to:

£31.66 from
Apr 2026 bill

£33.46 from
Apr 2027 bill

Airtime Plan will increase every year thereafter by £1.80 from April bill, except Data Only and Smartwatch Plans which will increase by 75p

Price rises each April
See plan information

Choose your Extra

Get up to six months' Disney+ or another Extra, on us

Design your own plan

Spread the device cost over 3-36 months, 0% APR

Get more out of life

With extra benefits for being with both Virgin Media and O2

Features

Snapdragon® 4 Gen 2 Mobile Platform

Slim 8.17mm profile

Dual camera system

5,000mAh battery

5G connectivity and exceptional performance

Powered by the Snapdragon® 4 Gen 2 Mobile Platform, Xiaomi Redmi 12 5G provides a 4nm flagship-level processor with two performance cores and six efficiency cores with clock speeds up to 2.2GHz and 2.0GHz.

This powerful combo delivers elite performance and seamless 5G connectivity meaning your phone will keep up whether you’re working hard or playing hard. And with 8+256GB extended RAM and 1TB storage extension, you can enjoy smooth app launches and more storage of your favourite content.

Stunning display and design

With a premium glass back design and a slim profile of only 8.17mm, the Redmi 12 5G feels exceptional to hold, and its refreshing aesthetic sets it apart from other devices in its price range.

Enjoy an immersive visual experience with 2460x1080 resolution, 90Hz AdaptiveSync support and large 6.79-inch FHD+ DotDisplay screen. And don’t worry about tired eyes. The Redmi 12 5G is SGS Low Blue Light certified, and its latest Reading mode 3.0 utilises colour adjusting technology to reduce eye strain.

Capture every precious moment

Redmi 12 5G offers a dual camera system that comes with the popular infinite camera deco design. The 50MP main camera enables capturing images with crystal-clear details, while the dedicated 2MP depth camera uplifts the authenticity.

Enjoy taking photos like a pro using HDR mode, night mode, or portrait mode – and record top-level videos with movie frame and time-lapse.

Taking care of your day-to-day

Abolish power anxiety and relax knowing Redmi 12 5G has your back. With a powerful 5,000mAh battery and a 18W Type-C fast-charging port, you can enjoy uninterrupted downloads, streaming and more from day through to night.

Tech specs

6.79 inch

Screen Size

50MP

Camera

Data Connectivity

199g

Weight

Overall

Battery

5000mAh

Dimensions (mm)

168.6x76.28x8.17mm

Accessibility

Hearing Aid Compatible, Amplified mode, Large Butoons, Simple Mode, Voice Activation, text to speech.

Expandable Storage

Micro SD up to 1TB

Facial Recognition

Yes

Fingerprint Recognition

Yes

Internal Storage (GB)

128GB

Water Resistance (IP Rating)

IP54

Operating System

Android 13

Processor

Qualcomm Snapdragon 4 Gen 2

Screen Size (inches)

6.79 inch

Standby Time (hrs)

740 hours

Talk Time (hrs)

36 hours

Type of Display

LTPS-LCD

Weight (g)

199g

What's In The Box

No charger in box. Box content list: Mobile Phone, Adapter, USB Type-C Cable, SIM Eject Tool, Protective Case, Quick Start Guide, Warranty Card.

Connectivity

Band Type

LTE: 1/2/3/4/5/7/8/20/28/38/40/41 WCDMA: 1/2/4/5/8 GSM: 2/3/5/8 SA&NSA:n1/n3/n7/n8/n20/n28/n38/n40/n41/n66/n77/n78

Bluetooth

Yes

Charger in box

Network Technology

Download Speed

2.4Gbps

Dual SIM

Yes

Fast Charging

Yes

NFC

Yes

SIM Type (Nano etc)

Nano

Type of Audio Connector

3.5mm Audio Jack

Type Of Charger Connector

USB-C

Wi-Fi

Yes

Wi-Fi and 4G Calling

Yes

Wireless Charging

Entertainment

Audio

Dual speaker

Flash

Main

Front Camera (MP)

5MP

Rear Camera (MP)

50MP

Video

Eco Rating

74 /100

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A network you can trust

We're here for you whenever you need us. So you can stay connected to the people that matter.

Get Priority

From unique prize draws to unforgettable moments. Priority gives you invite-only access to gigs, perks and experiences.

My O2

Check your bill, view your balance, add Bolt Ons and more. Anytime, anywhere.

1 COLOUR

Motorola

moto g14

4.4

.00

Upfront

.14 †

A month

£4.14 Device +

£23.00 * Airtime

36 month Device Plan.

Monthly rolling Airtime Plan.

FAQs

When was the Xiaomi Redmi 12 5G release date?

Xiaomi Redmi 12 5G was announced on the 1st August, 2023, and it was released on the 4th August, 2023. It's available to buy now from O2.

What are the Redmi 12 5G specs?

Introducing Xiaomi Redmi 12 5G. Powered by the ultimate Qualcomm Snapdragon 4 Gen 2 processor for seamless task management and high efficiency performance.

Packed into a large 6.79inch screen, it's 2460x1080 resolution and 90Hz AdaptiveSync support delivers everything you need. All on a super vibrant FHD+ DotDisplay for an upgraded viewing experience, giving you the best of gaming and streaming in high definition quality.

Power through the day with the incredible fast-charging 5000mAh battery. Delivering an incredible 740hrs of standby time, and up to 36hrs of talk time. You'll be able to stay connected for longer, to the ones who matter most.

Capture each moment with the advanced Redmi 12 5G camera system. With a 50MP + 2MP Main Camera + 5MP Front Camera, you'll catch every detail.

Plus, enjoy HD video capture with dual speaker audio for reliving the good times, anytime you like. Keep all your information, contacts and photos safe with fingerprint and facial recognition. And, a massive 128GB internal storage expandable up to 1TB with Micro SD.

The perfect companion, Xiaomi Redmi 12 dimensions come in at: 168.6x76.28x8.17mm, weighing 199g. Slim enough to fit comfortably in your hand, and slide into your pocket.

How long does the Xiaomi Redmi 12 battery last?

Stay connected for longer with the Redmi 12 5G's fast-charging 5000mAh battery. Delivering high performance with up to 740hrs of Standby time and 36hrs of Talk time. You'll never miss a beat.

What is the Xiaomi Redmi 12 5G camera like?

Capture life's best moments, big or small. With the advanced 50MP+2MP Main Camera, you'll be able to catch every detail. Plus, enjoy a 5MP Front Camera for quick selfies and snaps on the move. Keep all of your memories safe with high quality HD video capture with dual speaker audio, so you can enjoy the good times over and over again.

What are the Redmi 12 colours?

Strike out in style with the Redmi 12. Available in Midnight Black, this classic finish will be fit for any occasion.

What do you get in the box with Xiaomi Redmi 12?

In the box with Xiaomi Redmi 12 5G, you'll receive everything you'll need to get up and running: Redmi 12 phone / adapter / USB Type-C.

Is Xiaomi Redmi 12 5G compatible?

Yes, Xiaomi Redmi 12 is 5G-compatible. Connect to O2's superfast 5G network with any of our SIM only or pay monthly plans to enjoy seamless and reliable mobile connectivity.

Is Xiaomi Redmi 12 5G waterproof?

In short, no. However, the Xiaomi Redmi 12 5G has a water resistance rating of IP54. This means that Redmi 12 can withstand small splashes. But, be sure to keep Redmi 12 safe from any submersion in water or direct jets to avoid water damage.

What are the Xiaomi 12 accessibility features?

Breeze through Redmi 12 with ease with it's accessibility features. Redmi 12 is Hearing Aid Compatible, and it also includes features such as: Amplified mode, Large Buttons, Simple Mode, Voice Activation and text to speech.

What is the Xiaomi 12 price?

Shop all of our best Xiaomi Redmi 12 deals and pay monthly plans right here at O2. From our pre-built contracts, to fully flexible customised plans - we have an option for everyone.

Go to help and support

The legal bit

Custom plans

Direct purchases only. Pay the cash price for your device or spread the cost over 3 to 36 months (excludes dongles). Certain device costs available to be spread over 3 to 48 months. The cost of your Device will be the same however long you choose. There may be an upfront cost. For customers who took out an O2 Refresh custom plan on or after 17 December 2021, your Airtime Plan and Device plans unlink after 24 months. This means that if you are in the first 24 months of your Device Plan you will have to pay off your Device Plan in full if you decide to end your Airtime Plan. After 24 months you can: keep your Airtime and Device Plans without changing anything Cancel your Airtime Plan and keep paying off your Device Plan instalments or, Cancel your Airtime Plan and pay off your Device Plan in full. For customers who took out an O2 Refresh custom plan before the 17 December 2021 the Airtime and Device Plans remain linked for the duration of the Device Plan, this means you will have to pay off your Device Plan in full if you decide to end your Airtime Plan at any point.

UK calls/texts to standard UK landlines and mobiles and when roaming in our Europe Zone. Fair Usage policy applies. Special and out of bundle numbers chargeable. 4G phone required to access 4G. 4G available in selected areas.

Change your airtime tariff after 30 days and then once every billing month during your minimum contract period, choosing from a selected family of tariffs. Some tariff extras are only available on the starting tariff, are not transferable, and may be lost if you change to an ineligible tariff. Devices are subject to availability.

0% APR. Finance subject to status and credit checks, 18+, Direct Debit. Credit provided by Telefonica UK Ltd, 500 Brook Drive, Reading, RG2 6UU, UK. Terms apply, see o2.co.uk/terms.

Get Unlimited Data

Unlimited Data available on O2 Custom Plans on selected handsets and selected SIM Only tariffs. Fair use policy applies, personal and non-commercial usage only. If you regularly use 650GB of data per month or tether 12 or more devices we may consider this to be non permitted use and have the right to move you to a more suitable plan. EU roaming capped at 25GB per month. For full terms see www.o2.co.uk/terms.

*Subject to Annual Price Increase

Monthly price of your Airtime Plan will increase by £1.80 each April, except Data Only and Smartwatch Plans which will increase by 75p. Out of bundle charges increase by 5% every 1 April.

Your Custom Plan - Representative Example

Duration of Device Plan: 36 months
Monthly device payment: £3.86
Credit amount: £139.00
Interest rate (fixed): 0%
Representative APR: 0%
Upfront cost: £10.00
Total amount payable for device: £149.00
Cash price: £149.00

Direct purchases only. Pay the cash price for your device or spread the cost over 3 to 36 months (excludes dongles). Certain device costs available to be spread over 3 to 48 months. The device cost will be the same whatever you choose. There may be an upfront cost. You can pay off your Device Plan at any time and choose to keep your Airtime Plan, upgrade it, or leave. If you are in the first 24 months of your Device Plan and you cancel your Airtime Plan you will have to pay the remainder of your Device Plan in full. After 24 months you can keep your Airtime Plan, upgrade it, or end it without affecting your Device Plan.

Plans unlink after 24 months

For customers who took out an O2 Refresh custom plan on or after 17 December 2021, your Airtime Plan and Device plans unlink after 24 months. This means that if you are in the first 24 months of your Device Plan you will have to pay off your Device Plan in full if you decide to end your Airtime Plan (but we won’t charge you an Early Termination Charge to exit your Airtime Plan).

After 24 months you can: keep your Airtime and Device Plans without changing anything, Cancel your Airtime Plan and keep paying off your Device Plan instalments or, Cancel your Airtime Plan and pay off your Device Plan in full. For customers who took out an O2 Refresh custom plan before the 17 December 2021, the Airtime and Device Plans remain linked for the duration of the Device Plan, this means you will have to pay off your Device Plan in full if you decide to end your Airtime Plan at any point (but we won’t charge you an Early Termination Charge to exit your Airtime Plan).

Xiaomi Redmi 12 5G

5G