iD Mobile
Rollover and connection checks

Start with the service

iD Mobile’s coverage material separates predicted service from connection troubleshooting. Its advice notes that replacing a SIM or eSIM does not fix a genuine coverage limitation.

SIM and payment rhythm

Find the reset date, rollover conditions and the term on the specific plan. Rollover is a rule attached to an allowance; it should not be read as unrestricted stored data.

Write down the allowance refresh date, minimum commitment, renewal control and permitted use. These details answer different questions. A plan can renew monthly while still carrying a longer minimum term, and a digital SIM can carry the same airtime conditions as a plastic SIM.

The phone arrangement

A handset-linked service should be reviewed for its commitment and remaining device responsibility. Check the account’s own upgrade position rather than relying on another customer’s eligibility.

Ask when the current commitment ends, what remains if you move the number, and whether a handset change creates another term. Save the answer with the agreement rather than treating a promotional description as the contract.

Digital SIM preparation

iD Mobile’s current guidance includes eSIM settings. Confirm support for your handset and use the provider’s replacement or activation route if a profile problem is suspected.

Prepare a reliable connection and keep the old working line available until the replacement has been tested. Never send someone else an activation QR code, password or one-time verification code. A SIM change does not transfer photos or other personal files.

Broadband and shared data

When sharing mobile data, establish whether the difficulty is the phone-to-device Wi-Fi link or the mobile connection itself. The two links can fail independently.

Use outside the UK

Look up iD Mobile’s current destination list and fair use. The underlying network relationship does not guarantee another brand’s travel terms.

Postcode and signal evidence

For iD Mobile, begin with the current provider checker for the full postcode and compare Ofcom’s Map Your Mobile. Note whether the result describes indoors or outdoors. A map is a prediction, not a measurement from your room. Test voice, SMS and data separately; an issue with one does not prove all three are unavailable.

If the issue began suddenly, check the status page before changing settings. If it appears only in one building, compare near a window and outdoors. If several nearby users have the same symptom, keep a record of the location and time for the provider.

Keeping a number and leaving

An individual iD Mobile account change belongs with the provider. If keeping one UK mobile number, Ofcom’s text-to-switch route uses PAC to 65075; STAC to 75075 is the route when that number is not retained. A code is valid for 30 days. Before submitting it to the destination provider, check any minimum term or separate device balance. For cancellation without a switch, request the provider’s own instructions.

Annual notices and account tools

Read the adjustment wording in the actual iD Mobile agreement and keep the dated notice. Ofcom’s rules from 17 January 2025 require specified in-contract increases on new contracts to be stated in pounds and pence with clear timing. We do not list plan amounts or predict an individual bill. Use the verified provider account or app, where available, for personal records; mestemwell has no access to it.

When a statement looks unfamiliar, identify the service period, device component, recurring airtime and any exceptional use separately. Ask the provider about disputed items through its formal route and retain the response. Do not share the statement or payment information on this website.