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Samsung
Galaxy A21s

If a cracking camera and a huge screen to look at your photos is what you look for in a phone, then look no further. With the Samsung Galaxy A21s, you will be getting a whopping 6.5-inch display with a professional quad lens camera to capture perfect shots.

• Cracking quad camera system for capturing every moment.
• Powerful 5000mAh battery for long-lasting use all day every day.
• Whopping 6.5-inch display, perfect for you entertainment lovers.

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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

O2

1GB
Data

+ Unlimited Minutes

+ Unlimited Texts

24 months

Plan benefits

£0 upfront
£13 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
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

90GB
Data

+ Unlimited Minutes

+ Unlimited Texts

24 months

Plan benefits

£0 upfront
£22 a month
£33 before cashback

Free Delivery

+ £264 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

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
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
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About the Samsung Galaxy A21s

Quality quad camera system.

Samsung have really delivered with this quality quad camera system. Featuring a 48MP main camera, perfect for shooting high-detailed shots, and an Ultra-Wide camera for capturing those scenic moments – this camera has all you could ever need to release your inner photographer.


Samsung Galaxy A21s camera


Powerful battery.

The huge 5000mAh battery is perfect for powering you through the day. Download and use as many apps as you want to, without the worry of losing charge and if you do need a quick boost, then the 15W Fast Charging will quickly get you back to 100%.


Samsung Galaxy A21s battery


Stunning display.

Indulge in a full TV binge with the Samsung A21s as you enjoy your favourite shows on a stunning 6.5-inch Infinity-O Display. You’ll get the ultimate viewing experience as the wide aspect ratio gives you access to your entire screen – with content filling the display from edge to edge.


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).