How Much Does iD Mobile Cost in the UK?
iD Mobile is a budget MVNO running on Three's network with plans starting at approximately £5 per month. Owned by Carphone Warehouse, iD Mobile offers some of the cheapest data deals in the UK with data rollover on all plans.
| Plan Type | Typical Monthly Cost | Data |
|---|---|---|
| SIM-only (1GB) | £5–£7 | 1GB with rollover |
| SIM-only (12GB) | £8–£10 | 12GB with rollover |
| SIM-only (100GB) | £12–£15 | 100GB with rollover |
| SIM-only (unlimited) | £16–£20 | Unlimited |
All plans include data rollover, bill capping (to prevent unexpected charges), and EU roaming. Compare all options on our UK Telecoms subscriptions page.
Does iD Mobile Auto-Renew?
Yes, contracts roll onto 30-day terms after the minimum period. Check in the My iD app.
How to Cancel iD Mobile in the UK
Text PAC to 65075 (keep number) or STAC to 75075. Give code to new provider. Switch within 1 working day. Early termination during minimum term requires paying remaining months.
See also our guides to Giffgaff UK subscription and VOXI UK subscription.
Is iD Mobile Worth It in 2026?
iD Mobile offers excellent value with unique features like data rollover and bill capping. Uses Three's network — same coverage pros and cons.
| Pros | Cons |
|---|---|
| Very competitive pricing | Uses Three's network (weaker rural coverage) |
| Data rollover on all plans | Less well-known brand |
| Bill capping prevents shock bills | Limited phone selection |
| 30-day and 12-month plans | No 5G on most plans |
| EU roaming included | Customer support is online-only |
Best budget alternative to Giffgaff with the added benefit of data rollover and bill capping.
Track Your iD Mobile Subscription with Prunely
Prunely lets you add iD Mobile to track contract dates. Track alongside all subscriptions — no bank connection needed. Prunely is free for up to 5 subscriptions.
Frequently Asked Questions
How much does iD Mobile cost?
iD Mobile SIM-only starts at ~£5/month for 1GB. Unlimited data costs £16-20/month. All plans include data rollover and bill capping.
What network does iD Mobile use?
iD Mobile uses Three's network. Coverage is the same as Three — strong in urban areas, weaker in some rural locations.
What is iD Mobile bill capping?
Bill capping lets you set a maximum monthly spend. If you exceed your allowance, services stop rather than incurring overage charges. This prevents unexpected bills.
How do I leave iD Mobile?
Text PAC to 65075 for a switching code. Give it to your new provider. Switch within 1 working day. No fee after minimum contract.
Does iD Mobile have data rollover?
Yes. Unused data rolls over to the next month on all plans. This is included automatically — no need to opt in.