Separate two decisions
Compare the cost of keeping your current phone with a SIM only plan against buying a new handset outright or through credit.
Before accepting a trade-in
Check its condition grading, battery criteria, promotional qualification and when the quoted value becomes final.
What to take to the provider
Have the tariff name, start date, current bill or usage screenshot and the exact question ready. You can ask our independent team to help frame those questions, but only the network can see your account or process changes.
Open a network dossier ↗For switching rules, see the Ofcom guide. For plan terms and charges, use your network’s current official documents.