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User Guide and Documentation

The SIM card is a memory circuit in your cell phone that carries necessary information back and forth to your network, and it also contains some of your personal data. Mobile Spy cell phone monitoring software monitors your child or employee's smartphone activity on iPhone, Android, BlackBerry and other mobile phones. How to Catch a Cheater with Cell Phone Spy. If you suspect your husband or wife is cheating and you want hard proof, you can catch a cheater using the latest cell

SIM Card Guide

DiscoverC Follow us! U Search U Follow Pin Share Tweet Share Email Save Create an exact duplicate of an existing SIM card.

First you'll need the IMSI (International Mobile Subscriber Identifier) number. This string of numbers is usually imprinted on the SIM card itself. This is an example of an IMSI number:

Now you have your IMSI number you'll need the authentication key (Ki), which is unique to your SIM. This number can only be discovered electronically using a SIM duplicator, which is an external device that you will slot the SIM card into.