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If you're a pay monthly customer, you can upgrade when you have less than one month to run on your contract. Pay as you go customers may be eligible after nine months. Find out more about Upgrade my phone >
If you enter the wrong PIN 10 or more times, this will LOCK your SIM card and you will need to replace it. To order a replacement SIM card call us on 0845 412 5000 (Charged at local toll rates) or if you have access to another T-Mobile phone, simply dial 150 . There is a charge of £10 for a replacement SIM card.
If you enter the wrong PIN several times in a row, your phone will become blocked and ask for a PUK code. If you register and log in to My T-Mobile you can obtain your PUK code online. See other ways to unblock your phone > .