The new Samsung Galaxy Note 5 requires a nano SIM card for you to place calls, access the Internet, download applications, and share photos over your network service ...

Samsung's Galaxy smartphones allow you to protect your personal information by locking your SIM card with a PIN. While you should choose your code with care, you always have the option to change your ...

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 ...

This article explains how to get your Vodacom PUK number using official methods and what to do if you encounter any ...