12 month mobile contracts
Compare 12 month mobile contracts from the UK's leading networks.
Prices correct as of August 2026. We may earn commission when you click through — this never affects our rankings.
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LB
Lebara
4.8 (78000)
Uses Vodafone network
EU roamingInternational calls
Data
5GB
Calls
Unlimited
Texts
Unlimited
Contract
12 months
£4.50/mo
£54.00 total over 12 months
✓ International minutes included✓ EU roaming included✓ No credit check
MZ
Mozillion
Uses multiple networks
Flexible plans
Data
3GB
Calls
Unlimited
Texts
Unlimited
Contract
12 months
£4.50/mo
£54.00 total over 12 months
✓ Flexible plans✓ No long contracts
AM
Asda Mobile
3.7 (17000)
Uses Vodafone network
No contractNo price rise5G
Data
3GB
Calls
Unlimited
Texts
Unlimited
Contract
12 months
£5.00/mo
£60.00 total over 12 months
✓ No contract✓ Free SIM✓ Rewards with Asda shopping
AM
Asda Mobile
3.7 (17000)
Uses Vodafone network
No contractNo price rise5G
Data
10GB
Calls
Unlimited
Texts
Unlimited
Contract
12 months
£5.95/mo
£71.40 total over 12 months
✓ No contract✓ Free SIM✓ Rewards with Asda shopping
iD Mobile
4.3 (70000)
Uses Three network
No price riseData rollover5G
Data
15GB
Calls
Unlimited
Texts
Unlimited
Contract
12 months
£6.00/mo
£72.00 total over 12 months
✓ Roll over unused data✓ No roaming charges in EU✓ No price rises mid-contract
iD Mobile
4.3 (70000)
Uses Three network
No price riseData rollover5G
Data
10GB
Calls
Unlimited
Texts
Unlimited
Contract
12 months
£6.00/mo
£72.00 total over 12 months
✓ Roll over unused data✓ No roaming charges in EU✓ No price rises mid-contract
MZ
Mozillion
Uses multiple networks
Flexible plans
Data
10GB
Calls
Unlimited
Texts
Unlimited
Contract
12 months
£6.50/mo
£78.00 total over 12 months
✓ Flexible plans✓ No long contracts
TM
Talkmobile
Uses Vodafone network
5G ready
Data
15GB
Calls
Unlimited
Texts
Unlimited
Contract
12 months
£6.95/mo
£83.40 total over 12 months
✓ Budget-friendly contracts✓ Vodafone network coverage✓ 5G included
iD Mobile
4.3 (70000)
Uses Three network
No price riseData rollover5G
Data
30GB
Calls
Unlimited
Texts
Unlimited
Contract
12 months
£7.00/mo
£84.00 total over 12 months
✓ Roll over unused data✓ No roaming charges in EU✓ No price rises mid-contract
iD Mobile
4.3 (70000)
Uses Three network
No price riseData rollover5G
Data
25GB
Calls
Unlimited
Texts
Unlimited
Contract
12 months
£7.00/mo
£84.00 total over 12 months
✓ Roll over unused data✓ No roaming charges in EU✓ No price rises mid-contract
Vodafone
Vodafone network
5G readyEU roaming
Data
16GB
Calls
Unlimited
Texts
Unlimited
Contract
12 months
✓ £10 automatic cashback
£7.00/mo
£84.00 total over 12 months
✓ 5G ready✓ EU roaming included✓ Vodafone Together discounts
Vodafone
Vodafone network
5G readyEU roaming
Data
11GB
Calls
Unlimited
Texts
Unlimited
Contract
12 months
✓ £5 automatic cashback
£7.00/mo
£84.00 total over 12 months
✓ 5G ready✓ EU roaming included✓ Vodafone Together discounts
O2
O2 network
O2 PriorityEU roaming
Data
10GB
Calls
Unlimited
Texts
Unlimited
Contract
12 months
£7.00/mo
£84.00 total over 12 months
✓ O2 Priority rewards✓ EU roaming included✓ 5G at no extra cost
3
Three
Three network
Go Roam5G ready
Data
8GB
Calls
Unlimited
Texts
Unlimited
Contract
12 months
£7.00/mo
£84.00 total over 12 months
✓ Go Roam in 71 destinations✓ Unlimited data plans✓ 5G included
AM
Asda Mobile
3.7 (17000)
Uses Vodafone network
No contractNo price rise5G
Data
50GB
Calls
Unlimited
Texts
Unlimited
Contract
12 months
£7.95/mo
£95.40 total over 12 months
✓ No contract✓ Free SIM✓ Rewards with Asda shopping
TM
Talkmobile
Uses Vodafone network
5G ready
Data
40GB
Calls
Unlimited
Texts
Unlimited
Contract
12 months
£7.95/mo
£95.40 total over 12 months
✓ Budget-friendly contracts✓ Vodafone network coverage✓ 5G included✓ £5 Automatic Cashback
iD Mobile
4.3 (70000)
Uses Three network
No price riseData rollover5G
Data
60GB
Calls
Unlimited
Texts
Unlimited
Contract
12 months
✓ £30 automatic cashback
£8.00/mo
£96.00 total over 12 months
✓ Roll over unused data✓ No roaming charges in EU✓ No price rises mid-contract
Vodafone
Vodafone network
5G readyEU roaming
Data
50GB
Calls
Unlimited
Texts
Unlimited
Contract
12 months
£36 cashback (claim required)
£8.00/mo
£96.00 total over 12 months
✓ 5G ready✓ EU roaming included✓ Vodafone Together discounts
iD Mobile
4.3 (70000)
Uses Three network
No price riseData rollover5G
Data
50GB
Calls
Unlimited
Texts
Unlimited
Contract
12 months
£60 cashback (claim required)
£8.00/mo
£96.00 total over 12 months
✓ Roll over unused data✓ No roaming charges in EU✓ No price rises mid-contract
Vodafone
Vodafone network
5G readyEU roaming
Data
35GB
Calls
Unlimited
Texts
Unlimited
Contract
12 months
✓ £12 automatic cashback
£8.00/mo
£96.00 total over 12 months
✓ 5G ready✓ EU roaming included✓ Vodafone Together discounts