cookie usage
Black Friday
O2 SIM Deal
Uses O2's Network
40 GBof 5G data
£7.50 a monthuntil April 2026then price rises every April in contract by £2.50Price details
12 month contract
Includes roaming in 48 destinations
Compare 12-month SIM only deals
10 of 50 results
Sorted by: Bestselling
List of SIM Only deals
Deals not available as upgrades for existing customers
- Black Friday
O2 SIM Deal
Uses O2's Network
100 GBof 5G data
£10.00 a monthuntil April 2026then price rises every April in contract by £2.50Price details
12 month contract
Includes roaming in 48 destinations
iD Mobile SIM Deal
Uses Three Mobile's Network
50 GBof 5G data
£2.00 a monthfor 3 months, then £8.00Price details
12 month contract
Includes roaming in 50 destinations
- Black Friday
O2 SIM Deal
Uses O2's Network
50 GBof 5G data
£8.00 a monthuntil April 2026then price rises every April in contract by £2.50Price details
12 month contract
Includes roaming in 48 destinations
- Black FridayExclusive
iD Mobile SIM Deal
Uses Three Mobile's Network
100 GBof 5G data
£2.50 a monthfor 3 months, then £10.00Price details
12 month contract
Includes roaming in 50 destinations
Vodafone SIM Deal
Uses Vodafone's Network
50 GBof data
£9.00 a monthuntil April 2026then price rises every April in contract by £1.50Price details
12 month contract
Includes roaming in 4 destinations
Three Mobile SIM Deal
Uses Three Mobile's Network
80 GBof 5G data
£10.00 a monthuntil April 2026then price rises every April in contract by £1.90Price details
12 month contract
Three Mobile SIM Deal
Uses Three Mobile's Network
120 GBof 5G data
£12.00 a monthuntil April 2026then price rises every April in contract by £2.30Price details
12 month contract
Three Mobile SIM Deal
Uses Three Mobile's Network
30 GBof 5G data
£8.00 a monthuntil April 2026then price rises every April in contract by £1.90Price details
12 month contract
Can't find what you're looking for?
Previously, most mobile networks raised contract prices in line with inflation. From January 2025, however, Ofcom will ban inflation-based price hikes on new contracts, requiring future increases to be fixed and clearly stated upfront.
Confused services are provided at no cost to you, but we may receive a commission from the companies we refer you to. This helps to keep our site free for you to use. Learn more about how our site works .