It's important to know how to lock your SIM card to keep your data safe. Whether you have the latest 5G phone or a budget Android phone, turning on SIM lock is straightforward. This guide walks ...

(Subscriber Identity Module lock) A function in GSM cellphones that restricts the phone's use to a particular cellular carrier identified by a SIM card. SIM locks are used to ensure subscribers ...

If you have a carrier-locked phone, make a device unlock request with that carrier so you can transfer to another carrier. If you want to skip ordering a new phone or Metro by T-Mobile SIM card ...

The good news is that you may be able to simply convert your SIM card to an eSIM from your device. We’ll walk you through the process, but first, feel free to read our eSIM vs physical SIM ...