Having this information, we can proceed to answer the question: is it possible to duplicate SIM card? Yes, it is possible, although not recommended, because there is no guarantee that the two mobiles will work properly with a cloned SIM. COMP128v2 & COMP128v3: for these two versions, the KI code cannot be calculated in a conventional way, making it impossible to clone them.COMP128v1: this version, is the only SIM cards that can be cloned.Let's start from the beginning, and we will mention what the kind of SIM cards are available today: Part 1: Is it possible to duplicate SIM card?
