How Can I Activate My Sim Card T Mobile. Set up without switching. The SIM card number is located on the back of the box.
Its tied to your phone number and identifies you the subscriber to the T-Mobile network. From the list of apps tap Settings About Phone SIM Status or Status Information. It can also store data like phone numbers and contact info.
Activate sim card.
Insert the SIM card in the phone. They will ask you about your SIM card number phone model IMEI etc. Below you can find steps to set up your new phone and transfer data and the SIM card from the old one. Switch on your phone.
