Before you can activate your SIM, you need to know which type of SIM your device supports, allowing you to choose between an eSIM or a physical SIM card.

Switching to the Un-Carrier can be exciting, but you have to know how to get set up. Here's how to activate a T-Mobile SIM card.

Activating a new Sim card isn’t always as straight forward as it sounds. This handy guide will take you though the process for the biggest networks.