Choose a SIM-only plan.

Work from your own contract.

Compare data used over three recent bills, indoor signal and renewal term before comparing advertised allowances.

Check whether the price shown is an introductory rate, whether annual increases apply, and what happens at the end of the minimum term.

Three useful checks

1. Identify the provider, plan name and date of your current agreement.
2. Check the full postcode, device compatibility, pricing and the current provider terms that apply to you.
3. Save a copy of the written answer before changing or cancelling the service.