Removing a SIM card from your phone can sometimes seem like a daunting task, but it is a relatively straightforward process that can be necessary for various reasons, such as switching carriers ...

If you're a new T-Mobile customer or you recently purchased a new phone, you may have a new SIM card you'll need to activate. Here's how to set it up.

If you're a new Metro by T-Mobile customer who bought a SIM card online or in a retail store, you'll need to activate it, and we're here to help.

Does your phone say "No SIM," "No SIM Card Installed,” or "No SIM available"? Here's what that means and how you can fix it.

How to install a SIM card Boost Mobile sells its services through its retail locations, as well as Apple, Amazon, and other third-party providers.

By following these steps, you should be able to resolve the "No SIM Card Detected" error on your Android or iPhone device, ensuring you can continue using your phone without interruptions.

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