PIN codes are commonly used to unlock iPhone or Android devices, access online banking, get cash out of an ATM, and pay for items using a debit card.

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 ...

Google is testing an experimental feature that allows one to unlock the Chrome OS with a PIN instead of a traditional password. The feature is in the developer stage, but here's how you can put it ...