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Samsung
Galaxy A21s

Samsung Galaxy A21s is the perfect phone for entertainment lovers on a budget. With an incredible 6.5-inch Infinity-O Display, your viewing experience will be revolutionised – and the super long-lasting battery means you can enjoy your favourite shows for longer.

• Stunning 6.5-inch display, perfect for endless streaming.
• Quality quad camera system, for capturing those high detailed shots.
• Long-lasting 5000mAh battery for endless hours of fun.

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Top Three Galaxy A21s Deal

Samsung Galaxy A21s top deal
  • 30GB Data
  • + Unlimited Mins
  • + Unlimited Texts
  • + Free Delivery

£0 Upfront

£15 a month

Top EE Galaxy A21s Deal

Samsung Galaxy A21s top deal
  • 2GB Data
  • + Unlimited Mins
  • + Unlimited Texts
  • + Free Delivery

£0 Upfront

£15 a month
£17 before cashback

Top Vodafone Galaxy A21s Deal

Samsung Galaxy A21s top deal
  • 2GB Data
  • + Unlimited Mins
  • + Unlimited Texts
  • + Free Delivery

£0 Upfront

£17 a month

Top O2 Galaxy A21s Deal

Samsung Galaxy A21s top deal
  • 1GB
    2GB Data
  • + Unlimited Mins
  • + Unlimited Texts
  • + Data Boost

£0 Upfront

£17 a month

Samsung Galaxy A21s Deals

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DATA BOOST
O2

1GB
2GB
Data

+ Unlimited Minutes

+ Unlimited Texts

24 months

Plan benefits

£0 upfront
£17 a month

Free Delivery

DATA BOOST
O2

5GB
20GB
Data

+ Unlimited Minutes

+ Unlimited Texts

24 months

Plan benefits

£0 upfront
£16.75 a month
£21 before cashback

Free Delivery

+ £102 Guaranteed Cashback
LIMITED TIME
O2

1GB
Data

+ Unlimited Minutes

+ Unlimited Texts

24 months

Plan benefits

£0 upfront
£13.50 a month
£14 before cashback

Free Delivery

+ £12 Guaranteed Cashback
O2

30GB
Data

+ Unlimited Minutes

+ Unlimited Texts

24 months

Plan benefits

£0 upfront
£19 a month
£26 before cashback

Free Delivery

+ £168 Guaranteed Cashback
O2

3GB
Data

+ Unlimited Minutes

+ Unlimited Texts

24 months

Plan benefits

£0 upfront
£16.25 a month
£20 before cashback

Free Delivery

+ £90 Guaranteed Cashback
DATA BOOST
O2

15GB
45GB
Data

+ Unlimited Minutes

+ Unlimited Texts

24 months

Plan benefits

£0 upfront
£19.25 a month
£27 before cashback

Free Delivery

+ £186 Guaranteed Cashback
O2

90GB
Data

+ Unlimited Minutes

+ Unlimited Texts

24 months

Plan benefits

£0 upfront
£22 a month
£33 before cashback

Free Delivery

+ £264 Guaranteed Cashback
O2

60GB
100GB
Data

+ Unlimited Minutes

+ Unlimited Texts

24 months

Plan benefits

£0 upfront
£22.50 a month
£34 before cashback

Free Delivery

+ £276 Guaranteed Cashback
DATA BOOST
O2

100GB
250GB
Data

+ Unlimited Minutes

+ Unlimited Texts

24 months

Plan benefits

£0 upfront
£33.33 a month
£50 before cashback

Free Delivery

+ £400 Guaranteed Cashback
LIMITED TIME
O2

Unlimited
Data

+ Unlimited Minutes

+ Unlimited Texts

24 months

Plan benefits

£0 upfront
£38.33 a month
£55 before cashback

Free Delivery

+ £400 Guaranteed Cashback
Grab the Galaxy A21s SIM Free with no contract
Galaxy A21s SIM Free

+ Any Network

+ Buy Outright

+ Free Delivery

£179.00 today

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About the Samsung Galaxy A21s

cracking camera

Samsung have upped their game with this quality quad camera system. The Samsung Galaxy A21s is equipped with a 48MP main camera, perfect for shooting those high detailed shots. See the world through a wider perspective with the Ultra-Wide Camera’s field of vision – capturing those perfect landscape photographs.


Samsung Galaxy A21s camera


long-lasting battery

The Galaxy A21s comes equipped with a super-powerful 5000mAh battery – allowing you to use your phone for the entire day, without the stress of your phone running out. If you do start to run low then fear not, the 15W Fast Charging will quickly boost you back up.


Samsung Galaxy A21s battery


beautiful display

Lose yourself in the stunning 6.5-inch Infinity-O Display – ideal for those long Netflix sessions. With the wide aspect ratio, you can make full use of your phone, with content filling the entire screen – it’s time to really enjoy watching videos, browsing online or connecting with friends.


Samsung Galaxy A21s display

Why are your Samsung Galaxy A21s deals so good?

We buy our Samsung Galaxy A21s stock not just from the UK, but from Europe as well. That means we’re able to source the best possible prices and pass those savings on to you through better deals.

All pay monthly offers subject to security and credit check. Charges will apply for paper billing. Charges may also apply for non-Direct Debit payment, unless on the EE network. Promo codes cannot be used in conjunction with any other offer. Full Legals.

RPI/CPI Price Increase - Each year, your Pay Monthly airtime tariff will be adjusted according to Three's Fixed Annual Price Change (Three), the Retail Price Index (O2, Vodafone) or Consumer Price Index (EE) rate of inflation. Your bill will be adjusted in March (EE) or April (O2, Three, Vodafone) by 4.5% (Three), or the rate announced in January (EE), February (O2) and March (Vodafone) that year (plus 3.9% on EE).