Compare iD Mobile SIM Only Deals

Why choose an iD Mobile SIM only deal?

iD Mobile is owned by Currys and runs on the Three network, and it has built its reputation on aggressive pricing for big-data and unlimited data plans. If you want maximum gigabytes per pound, iD Mobile is consistently among the cheapest networks we list.

What you get with iD Mobile

Most iD Mobile plans include data rollover — unused data carries into the next month — plus inclusive EU roaming within a fair-use limit and 5G at no extra cost. You can choose between low-cost 1-month rolling plans and longer terms, and manage everything through the iD Mobile app, including bill caps to stop surprise charges.

Things to know before you switch

Coverage comes from Three, which now covers the vast majority of the UK population with 4G and a fast-growing 5G footprint — worth checking in your area if you're rural. Keeping your number takes minutes: text PAC to 65075 and pass the code to iD Mobile. You can also compare iD against every other network in our full SIM only comparison.