2-3 day battery life from a single charge
Dual camera with HDR technology
A clean OS with minimal pre-loaded apps
Fingerprint and AI face unlock technology
Tech specs
Battery life
Up to 396 hours (4G)
Weight
191g
Screen size
6.5 inches
Camera
13 MP
Reviews
Why O2?
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.
Manage your account 24/7.
View your bills, see your data usage, check your upgrade options and more. Just sign in to My O2 online, or get the app for free.
FAQs
- What are the Nokia C21 Plus specs? Collapsed link
Sleek, strong and powerful, meet the Nokia C21 Plus.
Never worry about low battery again, as the C21 Plus features an incredible battery life of up to 396 hours.
Snap memories in motion with The Nokia C21 Plus 13MP dual rear camera.
Plus, with the powerful with the powerful Unisoc SC9863A processor, applications can run smoothly without the annoying lag.
- What is the Nokia C21 Plus camera like? Collapsed link
Remember everything with the Nokia C21 Plus. The 13MP dual rear camera with HDR technology captures life from every angle, from beautiful portraits to awesome landscapes.
- What are the Nokia C21 Plus colours? Collapsed link
The Nokia C21 Plus comes in one classic colour: Cyan Blue.
- What kind of Nokia C21 Plus deals are at O2? Collapsed link
Our absolute best deals come in our pre-built Pay Monthly contracts, or, or full flexibility you can build your own customised plan - whatever works best for you.
- How big is the Nokia C21 Plus storage? Collapsed link
Have it all with the Nokia C21 Plus's massive 32GB storage. Plenty of space for gamers and telly watchers to enjoy all of their favourites, all in one place.
- What is the Nokia C21 Plus battery like? Collapsed link
The Nokia C21 Plus is packed with a powerful long-lasting battery, taking you throughout the day and into the night for up to 2-3 days on a single charge.
- How big is the Nokia C21 Plus screen size? Collapsed link
- The screen size for Nokia C21 Plus comes in at 6.5 inches.
The legal bit
Custom plans
RPI: Monthly price of your Airtime Plan will increase each April from April 2025 by the Retail Price Index rate of inflation announced in February each year plus 3.9%. If RPI is negative, we'll only apply the 3.9%. 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: Monthly price of your Airtime Plan will increase each April from April 2025 by the Retail Price Index rate of inflation announced in February each year plus 3.9%. If RPI is negative, we'll only apply the 3.9%. 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.