To check if your Android phone is unlocked, try swapping in another SIM card or test your network settings. If calls work, ...

You can check if your device is locked through the IMEI information, or by switching out the SIM card, or by checking via the device's mobile settings.

If you're planning to sell your Android phone or want to switch to a cheaper carrier, you'll first need to check whether the device is unlocked.

Wondering if your phone is carrier locked? Here's how you can check ...