How To Unlock Lg G4 Phone. What Is Meant By Factory Unlocked Iphone. To get the unlock just simply select your phone manufacturer as iPhone, enter your iPhone model as iPhone 7, select the network of your iPhone 7 is locked to, and enter the IMEI number. To get IMEI number press *#06# on your dial pad or alternatively navigate to the Settings >General >About screen on your iPhone - the IMEI number will be listed toward the bottom of the screen when you scroll down. If you have bought an iPhone 7 Plus or iPhone 7 for AT&T, you’ll find the device does not come unlocked. Fortunately, if you paid in full for the iPhone.