What is a sim pin?

A SIM pin, or subscriber identity module personal identification number, is a security feature used to protect your SIM card from unauthorized access. It is a 4 to 8 digit code that must be entered when you insert your SIM card into a new device or when you restart your phone. This pin is set by the mobile network provider and can be changed by the user. The purpose of a SIM pin is to prevent unauthorized use of your SIM card and protect your personal information and data. It is important to keep your SIM pin confidential and not share it with others to ensure the security of your device and data.