Entering a wrong PUK code ten times in a row disables the SIM card permanently. Both the PIN and the PUK codes are supplied by the operator, but only the PIN code can be changed by the user.

If you're looking for a more efficient way to lock and unlock your Chromebook screen, here's how to do that with the help of the developer channel and PIN unlock.

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

A new developer update lets you unlock your Chrome OS with nothing more than a PIN.

A PIN can log you into your computer faster than a password. Here's how to create one in Windows 10.

Done with a long term contract or looking to switch network carriers but keep the phone? Here's everything you need to unlock your Vodafone UK phone!

There are different ways to unlock a network-locked smartphone in South Africa depending on the mobile operator involved.

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 ...

How to Reset Your M-PESA PIN If you have forgotten your current M-PESA PIN or you just need to change it, you can reset it using USSD code 334#.

Face Unlock is currently available on few phones but going forward it is set to become another default feature in most smartphones like the fingerprint, pin and password modes.