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

Your Android phone may seem entirely secure when it’s locked, but that’s not necessarily true. Unless you adjust the right settings, the lock screen can allow access to messages, controls, and ...

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.