To activate your new phone with the SIM card, check out these steps: If you don't want to purchase a new device, your current phone might be compatible with Metro by T-Mobile. Your phone must also ...

When you buy a new phone from AT&T Wireless, your eSIM or SIM card is set up and activated ... best value data plan It's easy to default to one of the Big Three carriers (T-Mobile, Verizon, or AT&T) ...