How To Unlock iPhone 7 (Plus) – SIM Unlock
Of course, you don’t want to lock yourself out, but this is how it happens.Launch Settings on your iPhone.Tap Cellular.Select SIM PIN.Tap the toggle to turn SIM PIN to OFF.If you fail the three attempts, your iPhone will ask for a PUK Code, which you can only obtain by calling your carrier.Oct 22, 2020