See it all on the big screen
Working your way through a movie marathon. Going against friends with your gaming. Scrolling through your socials. The Redmi 9AT has got you covered with a large 6.53 inch Dot Drop display and 20:9 aspect ratio. Plus, a 1500:1 colour contrast ratio with great luminance along with a dedicated reading mode. The TUV Rheinland certified display means the light is kinder on your eyes, so you won’t need to worry about missing anything.
Big battery life to get you through the day
Bigger. Better. Battery life. The 5000mAh battery offers 168 hours of music and 19 hours of video. Plus, a charge cycle count as high as 100, which means your phone can be used daily for more than 2.5 years without any notable degradation to the battery. It also supports 10W charging.
Enjoy more with a powerful processor
Immerse yourself in all the things you love to do on your phone. Get a lag-free experience thanks to the MediaTek Helio G25, Octa-core processor. Make the most of a fluid responsive gaming experience with the Hyper engine game technology and reliable connections with true-to-life visuals.
Make the most of the powerful processor
Get ready for the camera. The 13MP AI Camera recognises scenes and then automatically changes the settings, so you can capture the perfect photo with every shot. And the phase detection auto focus makes sure that you have a natural, and smooth bokeh effect to your portrait photos
We're here for you whenever you need us.
So you can stay connected to the people that matter.
It’s good to be back.
From unique prize draws to unforgettable moments, Priority gives you invite-only access to gigs, perks and experiences.
Our top plan
- What are the Xiaomi Redmi 9AT specs? Collapsed link
Meet the Xiaomi Redmi 9AT.
A firm favourite from the Redmi range, the 9AT boasts a 6.53” HD+ LCD Display - certified by TUV Rheinland - great for curious minds thanks to a dedicated reading mode.
The 13MP AI Camera recognises scenes and then automatically changes the settings, so you can capture the perfect photo every single time; the phase detection auto focus ensures that you have a natural and smooth “bokeh” effect to your portrait photos.
And the 5000mAh battery will see you through for more than a day.
- What is the current Xiaomi Redmi 9AT price? Collapsed link
At O2, you can purchase the Xiaomi Redmi 9AT for £69. Or, spread the cost, as all of our best Xiaomi Redmi 9AT deals are in our Pay Monthly packages. You can even customise a plan tailored to you.
- What is the Xiaomi Redmi 9AT camera like? Collapsed link
If you're looking for a sharp shooter, you've come to the right place. The Xiaomi Redmi 9AT comes with a 13 MP AI rear camera and HD 1080p video resolution.
- What is the Xiaomi Redmi 9AT screen size? Collapsed link
The Xiaomi Redmi 9AT screen size comes in at a large 6.53 inches, with a crisp Dot Drop (HD+) LCD display. Plus, enjoy your favourite ebooks with the dedicated reading mode.
- How long does the Xiaomi Redmi 9AT battery last? Collapsed link
Go further for longer with the Xiaomi Redmi 9AT 5000mAh high capacity battery.
- How fast is the Xiaomi Redmi 9AT processor? Collapsed link
Xiaomi Redmi 9AT packs a punch with a MediaTek Helio G25, Octa-core processor. With super-fast download speeds, Xiaomi Redmi 9AT beats the buffering and gives a seamless viewing experience for streamers and gamers alike.
- How big is the Xiaomi Redmi 9AT storage? Collapsed link
The Xiaomi Redmi 9AT boasts a massive 32GB storage size to keep all your favourite things together, all in one place.
RPI: Each year your Airtime Plan will be increased by the Retail Price Index (RPI) rate of inflation announced in February plus 3.9%. If RPI is negative, we’ll only apply the 3.9%. You’ll see this increase on your April 2024 bill onwards. Find out more at o2.co.uk/prices.
Direct purchases only. Pay the cash price for your device or spread the cost over 3 to 36 months (excludes dongles). The cost of your Device will be the same however long you choose. There may be an upfront cost. Up to 24 months, you need a monthly rolling Airtime Plan as long as you have a Device Plan. After 24 months, you can: (i) continue with the Device Plan and Airtime Plan, (ii) continue with the Device Plan and terminate the Airtime Plan, or (iii) terminate both the Airtime Plan and Device Plan (provided that you pay the remainder of your Device Plan in full).
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
RPI: Each year your Airtime Plan will be increased by the Retail Price Index (RPI) rate of inflation announced in February plus 3.9%. If RPI is negative, we’ll only apply the 3.9%. You’ll see this increase on your April 2024 bill onwards. See o2.co.uk/prices.
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, chargeable at £3.50 per GB afterwards. For full terms see www.o2.co.uk/terms.