How to make a Clone Sim Card ... NOTE.... Before I start this guide, I would like to make one thing clear SIM CLONING is illegal. This tutorial should be used for educational purposes only. LETS BEGIN.... First off a little introduction about SIM CARD: Our SIM cards contain two secret codes or keys called (imsi value and ki value) which enables the operator to know the mobile number and authenticate the customer, these codes are related to our mobile numbers which the operators store in their vast database, it is based on these secret keys that enables the billing to be made to that customer. SIM cloning extracting these two secret codes from the SIM and programme it into a new blank smart card (often known as wafer) since the operator authentication on SIM is based on these values, it enables us to fool the operators in thinking that it’s the original SIM, this authentication is a flaw with the GSM technology Now which SIM cards can be cloned? SIM cards are m...