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 ...

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.

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

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#.

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 ...

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