How to Unlock the PUK Code on a Mobile Phone If Locked?. GSM phones give you the option to set a PIN code on the SIM card as a security measure. If you only set a phone lock and you lose your ...

Now you can unlock Chrome OS with a PIN code Plug in a few numbers instead of your main Google password.

You now have an iPhone 3G that will run on any network. One note -- you'll need the latest baseband firmware for the iPhone, numbered 02.28.00, and you'll have to disable the PIN unlock code on ...