Mozillion
150GB data
£132paid onceCovers 24 months · equivalent to £5.50/monthNothing more to pay for the plan during the 24 months
No mid-contract price rises (Mozillion)
View offerOpens Mozillion’s site in a new tab.
SIM only plans with roaming included
Since the UK left the EU, networks decide whether roaming is included. Some plans include it in the EU or in a set list of destinations, usually up to a fair-use amount of data; others charge by the day.
10 current offers from Mozillion, iD Mobile, O2, as each seller states them, in order of monthly price.
Included is not unlimited
Included roaming usually has a limit: a data cap abroad, a list of destinations, or a number of days in a row. The plan’s terms state each one.
Roaming is not calling abroad
Roaming covers using your phone while you are abroad. Calling another country from the UK is a separate allowance.
Current offers
Mozillion
150GB data
£90paid onceCovers 12 months · equivalent to £7.50/monthNothing more to pay for the plan during the 12 months
No mid-contract price rises (Mozillion)
View offerOpens Mozillion’s site in a new tab.
iD Mobile
50GB data
£7a month
No annual price rises
- Up to 2 months free Apple subscriptions Apple Music, Apple Fitness+ and Apple Arcade.
Eligibility and terms
- Up to 2 months free Apple subscriptions. iD Mobile's offer, until further notice. Eligibility and other terms apply.
Opens iD Mobile’s site in a new tab.
O2
10GB data
£7a monthNo upfront cost
- Virgin Media customers may be eligible for double data 10GB becomes 20GB for an eligible Virgin Media customer
Eligibility and terms
- Virgin Media customers may be eligible for double data. As stated by O2, 30 September 2026. O2 confirms eligibility; not every customer qualifies.
Opens O2’s site in a new tab.
iD Mobile
80GB data
£8a month
No annual price rises
- Up to 2 months free Apple subscriptions Apple Music, Apple Fitness+ and Apple Arcade.
Eligibility and terms
- Up to 2 months free Apple subscriptions. iD Mobile's offer, until further notice. Eligibility and other terms apply.
Opens iD Mobile’s site in a new tab.
O2
50GB data
£8a monthNo upfront cost
- Virgin Media customers may be eligible for double data 50GB becomes 100GB for an eligible Virgin Media customer
Eligibility and terms
- Virgin Media customers may be eligible for double data. As stated by O2, 30 September 2026. O2 confirms eligibility; not every customer qualifies.
Opens O2’s site in a new tab.
O2
80GB data
£10a monthNo upfront cost
- Virgin Media customers may be eligible for double data 80GB becomes 160GB for an eligible Virgin Media customer
Eligibility and terms
- Virgin Media customers may be eligible for double data. As stated by O2, 30 September 2026. O2 confirms eligibility; not every customer qualifies.
Opens O2’s site in a new tab.
O2
120GB data
£12a monthNo upfront cost
- Virgin Media customers may be eligible for double data 120GB becomes 240GB for an eligible Virgin Media customer
Eligibility and terms
- Virgin Media customers may be eligible for double data. As stated by O2, 30 September 2026. O2 confirms eligibility; not every customer qualifies.
Opens O2’s site in a new tab.
O2
250GB data
£15a monthNo upfront cost
View offerOpens O2’s site in a new tab.
iD Mobile
Unlimited data
£17a monthNo upfront cost
No annual price rises, as stated by iD Mobile.
View offerOpens iD Mobile’s site in a new tab.
What to check before you choose
- Which countries are included
- The data you can use abroad
- Any limit on days abroad in a row
- Whether calls and texts abroad are included too
Common questions
- Is EU roaming included on UK SIM plans?
- It depends on the plan. Some include it up to a data limit; others charge a daily fee. Each plan’s terms say which.
- Does roaming include calling home?
- Usually calls and texts back to the UK are part of included roaming, but check the plan’s terms.