Transferring from one wireless carrier to another or getting a new phone means activating your SIM card before accessing your 5G data. If you have one of the compatible Metro by T-Mobile Android phones, activating a SIM card is easy. You can use several methods, such as activating it online or having a customer service representative handle it. Regardless of your choice, the process only takes a few minutes. This guide shows you how to activate a physical SIM card or eSIM on your Metro by T-Mobile device.
