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 phone, someone can remove the SIM and insert it into another ph ...

In this short guide, we will show you how to disable the PIN code of your iPhone (SIM). This guide will only allow you to disable the SIM PIN code once you enter the PIN code, this is not a way of ...

It may be useful to change the PIN code of a newly purchased iPhone (if the PIN is set to 0000 by default for example) or for safety reasons to protect from fraudulent use of your phone in case of ...