If your new phone no longer supports SIM cards, or you don't want to use them anymore, you can convert to eSIM instead.

Here's a step-by-step guide on activating your T-Mobile SIM card and connecting to the T-Mobile network. A brief company history, subscriber count, and more Activating a T-Mobile SIM card with ...

If you ever wondered what exactly is a sim card, and whether you still need one in 2024, we’re here ... to your carrier's network. You can then make phone calls, send messages, and use mobile ...