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Samsung Galaxy S21

Samsung Galaxy S21

Operating System Android
Camera 64 Megapixels
Display Size 6.2 inches
Capacity 128Gb
View full spec >

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iD Mobile Samsung Galaxy S21 Deals

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128GB
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Samsung Galaxy S21

Samsung Galaxy S21, 128GB Phantom Grey (Refurbished)

£17.99 per month

Total Cost: £482.76

VIEW DEAL
via ID Mobile

Monthly Price increases to £19.49 on 1st April 2027

Powered By: Three Free EU roaming
10GB data
FREE device
Unlimited minutes
Unlimited texts
24 month contract
Samsung Galaxy S21

Samsung Galaxy S21, 128GB Phantom Grey (Refurbished)

£18.99 per month

Total Cost: £506.76

VIEW DEAL
via ID Mobile

Monthly Price increases to £20.49 on 1st April 2027

Powered By: Three Free EU roaming
100GB data
FREE device
Unlimited minutes
Unlimited texts
24 month contract
Samsung Galaxy S21

Samsung Galaxy S21, 128GB Phantom Grey (Refurbished)

£18.99 per month

Total Cost: £515.76

VIEW DEAL
via ID Mobile

Monthly Price increases to £20.49 on 1st April 2027

Powered By: Three Free EU roaming
500GB data
£9.00 device cost
Unlimited minutes
Unlimited texts
24 month contract
Samsung Galaxy S21

Samsung Galaxy S21, 128GB Phantom Grey (Refurbished)

£18.99 per month

Total Cost: £535.76

VIEW DEAL
via ID Mobile

Monthly Price increases to £20.49 on 1st April 2027

Powered By: Three Free EU roaming
Unlimited data
£29.00 device cost
Unlimited minutes
Unlimited texts
24 month contract
Samsung Galaxy S21

Samsung Galaxy S21, 128GB Phantom Grey (Refurbished)

£19.99 per month

Total Cost: £530.76

VIEW DEAL
via ID Mobile

Monthly Price increases to £21.49 on 1st April 2027

Powered By: Three Free EU roaming
500GB data
FREE device
Unlimited minutes
Unlimited texts
24 month contract
Samsung Galaxy S21

Samsung Galaxy S21, 128GB Phantom Grey (Refurbished)

£20.99 per month

Total Cost: £554.76

VIEW DEAL
via ID Mobile

Monthly Price increases to £22.49 on 1st April 2027

Powered By: Three Free EU roaming
Unlimited data
FREE device
Unlimited minutes
Unlimited texts
24 month contract
VIEW MORE DEALS

Live deal insights

iD Mobile contract deals — price snapshot

  • Average total cost: £521
  • Lowest total cost: £483
  • £0 upfront options: 4 deals
  • Typical contract length: 24 months
  • Average monthly (24-month): £22
  • Average data allowance: 271GB

Zero-upfront plans are widely available for this model.

Last updated: 25 Feb 2026 from 6 live offers

Samsung Galaxy S21 Specification

  • Operating System: Android
  • Camera: 64 Megapixels
  • Display Size: 6.2 inches
  • Display Type: Dynamic AMOLED 2X
  • Capacity: 128Gb
  • eSIM Compatible: Yes
  • Weight: 171 grams
  • Resolution: 1080 x 2400
  • Primary Camera: 64 Megapixels
  • Primary Camera Flash: LED flash
  • Secondary Camera: 10 Megapixels
  • Dimensions: 151.7 x 71.2 x 7.9 mm
  • Processor: Info unavailable
  • Chipset: Exynos 2100
  • SIM Type: Nano-SIM
  • Bluetooth: 5.0 with A2DP, LE
  • WiFi: 802.11 a/b/g/n/ac/6
  • Battery: Li-Ion 4000 mAh
  • IP Rating: IP53

Specifications are provided by the manufacturer and may vary by region.

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