Best 12 month SIM only deals

  • Compare the cheapest 12 month SIM only deals
  • Top networks including Three, Vodafone, EE and more
  • Use our comparison to check prices, minutes, texts and data
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Three Advanced SIM Only 1GB
  • Global roaming
  • Unlimited inclusive minutes
  • Unlimited inclusive texts
  • 1GB inclusive data
Three
1GB
inclusive
data
Unlimited
inclusive
minutes
Unlimited
inclusive
texts
12
month
contract
£5.00
per month
Three Advanced SIM Only 4GB
  • Global roaming
  • Unlimited inclusive minutes
  • Unlimited inclusive texts
  • 4GB inclusive data
Three
4GB
inclusive
data
Unlimited
inclusive
minutes
Unlimited
inclusive
texts
12
month
contract
£6.00
per month
Three Advanced SIM Only Unlimited Data
  • Global roaming
  • Unlimited inclusive minutes
  • Unlimited inclusive texts
  • Unlimited inclusive data
Three
Unlimited
inclusive
data
Unlimited
inclusive
minutes
Unlimited
inclusive
texts
12
month
contract
£16.00
per month
Three Advanced SIM Only 30GB
  • Global roaming
  • Unlimited inclusive minutes
  • Unlimited inclusive texts
  • 30GB inclusive data
Three
30GB
inclusive
data
Unlimited
inclusive
minutes
Unlimited
inclusive
texts
12
month
contract
£12.00
per month
Sky Unlimited Calls and Texts 8GB
  • Unlimited inclusive minutes
  • Unlimited inclusive texts
  • 8GB inclusive data
Sky
8GB
inclusive
data
Unlimited
inclusive
minutes
Unlimited
inclusive
texts
12
month
contract
£8.00
per month
O2 SIM Only
  • Unlimited inclusive minutes
  • Unlimited inclusive texts
  • 10GB inclusive data
O2
10GB
inclusive
data
Unlimited
inclusive
minutes
Unlimited
inclusive
texts
12
month
contract
£8.00
per month
Three Advanced SIM Only 12GB
  • Global roaming
  • Unlimited inclusive minutes
  • Unlimited inclusive texts
  • 12GB inclusive data
Three
12GB
inclusive
data
Unlimited
inclusive
minutes
Unlimited
inclusive
texts
12
month
contract
£8.00
per month
Sky Unlimited Calls and Texts 25GB
  • Unlimited inclusive minutes
  • Unlimited inclusive texts
  • 25GB inclusive data
Sky
25GB
inclusive
data
Unlimited
inclusive
minutes
Unlimited
inclusive
texts
12
month
contract
£15.00
per month
BT Mobile 5G SIM Only 6GB
  • Unlimited inclusive minutes
  • Unlimited inclusive texts
  • 6GB inclusive data
BT Mobile
  • Existing customers only
6GB
inclusive
data
Unlimited
inclusive
minutes
Unlimited
inclusive
texts
12
month
contract
£9.00
per month
  • Existing customers only
Tesco Mobile SIM Only 8GB
  • 5000 inclusive minutes
  • 5000 inclusive texts
  • 8GB inclusive data
Tesco Mobile
8GB
inclusive
data
5000
inclusive
minutes
5000
inclusive
texts
12
month
contract
£10.00
per month
Sky Unlimited Calls and Texts 2GB
  • Unlimited inclusive minutes
  • Unlimited inclusive texts
  • 2GB inclusive data
Sky
2GB
inclusive
data
Unlimited
inclusive
minutes
Unlimited
inclusive
texts
12
month
contract
£6.00
per month
BT Mobile 5G SIM Only 2GB
  • Unlimited inclusive minutes
  • Unlimited inclusive texts
  • 2GB inclusive data
BT Mobile
  • Existing customers only
2GB
inclusive
data
Unlimited
inclusive
minutes
Unlimited
inclusive
texts
12
month
contract
£7.00
per month
  • Existing customers only
Three Advanced SIM Only 1GB
  • Global roaming
  • 600 inclusive minutes
  • Unlimited inclusive texts
  • 1GB inclusive data
Three
1GB
inclusive
data
600
inclusive
minutes
Unlimited
inclusive
texts
12
month
contract
£5.00
per month
Three Advanced SIM Only 2GB
  • Global roaming
  • 200 inclusive minutes
  • Unlimited inclusive texts
  • 2GB inclusive data
Three
2GB
inclusive
data
200
inclusive
minutes
Unlimited
inclusive
texts
12
month
contract
£5.00
per month
iD Mobile SIM Only 4GB
  • EU roaming
  • Unlimited inclusive minutes
  • Unlimited inclusive texts
  • 4GB inclusive data
iD Mobile
4GB
inclusive
data
Unlimited
inclusive
minutes
Unlimited
inclusive
texts
12
month
contract
£6.00
per month
75