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

You can check to see if your iPhone is unlocked from a carrier using any of a few different methods.

Check the screen brightness, camera clarity, and weight of the device. Original Samsung phones feel solid and smooth, while ...

The next thing you should do is match the serial number and IMEI number mentioned on the phone box with the phone itself. Quickly activate your phone, sign in, and then cross-check if the IMEI number ...