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Samsung Galaxy S21 5G deals

Bestselling Samsung phones

List of Galaxy S21 5G deals

Sorted by: Uswitch Promoted

  1. Refurbished Samsung Galaxy S21 5G 128GB Phantom Grey

    Uses Three Mobile's Network

    iD Mobile

    £20.99 a monthNo upfront costMonthly cost will rise every April by inflation (CPI) plus 3.9%.

    £503.76 total cost

    Unlimited5G data

    24 month contract

    • Free roaming up to 30GB
    • Data rollover
    • Best Network for Data
    via iD Mobile

  2. Refurbished Samsung Galaxy S21 5G 128GB Phantom Grey

    Uses Three Mobile's Network

    iD Mobile

    £24.99 a monthNo upfront costMonthly cost will rise every April by inflation (CPI) plus 3.9%.

    £599.76 total cost

    Unlimited5G data

    24 month contract

    • Free roaming up to 30GB
    • Data rollover
    • Best Network for Data
    via iD Mobile

  3. Refurbished Samsung Galaxy S21 5G 128GB Phantom Grey

    O2

    £16.00 a month£49.00 upfront costMonthly cost will rise every April by inflation (RPI) plus 3.9%.

    £433.00 total cost

    90 GBof 5G data

    24 month contract

    via Affordable Mobiles

  4. Refurbished Samsung Galaxy S21 5G 128GB Phantom Grey

    O2

    £19.00 a monthNo upfront costMonthly cost will rise every April by inflation (RPI) plus 3.9%.

    £456.00 total cost

    150 GBof 5G data

    24 month contract

    via Affordable Mobiles

  5. Refurbished Samsung Galaxy S21 5G 128GB Phantom Grey

    Uses Three Mobile's Network

    iD Mobile

    £19.99 a monthNo upfront costMonthly cost will rise every April by inflation (CPI) plus 3.9%.

    £479.76 total cost

    100 GBof 5G data

    24 month contract

    • Free roaming up to 30GB
    • Best Network for Data
    via iD Mobile

  6. Refurbished Samsung Galaxy S21 5G 128GB Phantom Grey

    Three Mobile

    £20.00 a monthNo upfront costMonthly cost will rise every April by £1.50.

    £480.00 total cost

    300 GBof 5G data

    24 month contract

    via Mobile Phones Direct

  7. Refurbished Samsung Galaxy S21 5G 128GB Phantom Grey

    Vodafone

    £20.00 a monthNo upfront costMonthly cost will rise every April by £1.80.

    £480.00 total cost

    100 GBof 5G data

    24 month contract

    via Mobile Phones Direct

  8. Refurbished Samsung Galaxy S21 5G 128GB Phantom Grey

    O2

    £17.00 a month£59.00 upfront costMonthly cost will rise every April by inflation (RPI) plus 3.9%.

    £467.00 total cost

    90 GBof 5G data

    24 month contract

    via Mobile Phones Direct

  9. Refurbished Samsung Galaxy S21 5G 128GB Phantom Grey

    Three Mobile

    £17.00 a month£59.00 upfront costMonthly cost will rise every April by £1.50.

    £467.00 total cost

    300 GBof 5G data

    24 month contract

    via Mobile Phones Direct

  10. Refurbished Samsung Galaxy S21 5G 128GB Phantom Grey

    Vodafone

    £17.00 a month£59.00 upfront costMonthly cost will rise every April by £1.80.

    £467.00 total cost

    100 GBof 5G data

    24 month contract

    via Mobile Phones Direct
Can't find what you're looking for?

Uswitch services are provided at no cost to you, but we may receive a commission from the companies we refer you to. If a deal is "promoted" on Uswitch's tables, then it has been lent additional visibility as a result of us securing exclusivity on a great deal, or a commercial agreement to showcase what we believe to be market-leading value to consumers. Learn more about how our site works.

Until 2024, many mobile networks have increased contract prices in line with inflation. Starting in January 2025, Ofcom will introduce a ban on inflation-linked price hikes for new contracts. Future price changes will need to be set and fully disclosed in pounds and pence.

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How much does the Samsung Galaxy S21 cost?

The Samsung Galaxy S21 is no longer available for purchase directly from Samsung, but you can still get one on a contract deal from many of the UK's top mobile networks.

Priced at £769 when it was launched back in 2021, the Samsung Galaxy S21 usually retails for around £450 on a contract with your data and calls incdluded.

When was the Samsung Galaxy S21 released?

Samsung started 2021 in style with the surprise early release of its then-flagship smartphone - the Galaxy S21 5G phone.

How many phones are in the S21 range?

The Samsung Galaxy S21 range includes three handsets:

  • The standard S21
  • A bigger S21 Plus
  • An even bigger and more powerful S21 Ultra

What colours can you get the Samsung Galaxy S21 in?

The standard S21 is available in phantom violet, phantom pink, phantom grey and phantom white. The S21 Plus comes in phantom grey, phantom black, and phantom violet while the S21 Ultra is available in just phantom black and phantom silver.

How good is the Samsung Galaxy S21 screen?

The standard S21 is the smallest of the S21 family with a 6.2-inch screen, while the S21 Plus and S21 Ultra are 6.7-inch and 6.8-inch respectively.

The S21 Ultra has an ultra-HD screen compared to full-HD screens on the other two, but all three have smooth 120Hz displays.

How good is the Samsung Galaxy S21 camera?

The S21 camera is one of the phone’s best features. The S21 and S21 Plus have triple camera set ups made of a 12MP main camera, 12MP ultra-wide and 64MP telephoto lenses.

The top-level S21 Ultra goes further with a 108MP lens as well as 100x space zoom.

Not sure which Samsung phone to buy? Check out our list of the best Samsung Galaxy smartphones.

Ray Ali author headshot
Written by Ray Ali, Mobiles expert
Updated on 2 December 2024