You'll need your iPhone's IMEI number if you want to unlock it and use it on a different cellular provider.

You're probably already familiar with the SIM card, a tiny chip in your phone that connects it to your cell phone carrier of choice. For years, this chip was on a physical card that you could swap in ...

To unlock a T-Mobile phone, there are several requirements to meet for eligibility, and it can be a more involved process ...

If your new phone no longer supports SIM cards, or you don't want to use them anymore, you can convert to eSIM instead. I started my career with CNET all the way back in 2005, when the (original) ...