Sim Card Explorer Page

Open the SIM Card Explorer software. Click "Connect." The software sends a Reset command to the card. You will see the ATR (Answer to Reset) string. This tells you the card's protocol (T=0 or T=1) and the manufacturer (e.g., Gemalto, Giesecke & Devrient, Morpho).

If the card has PIN1 enabled, the software will prompt you for the PIN. Forensic note: Do not guess three times, or the card will lock. High-end explorers have a "PUK bypass" mode (only works on older 2G SIMs). sim card explorer

Unlike your phone, which only shows you a limited view (like the "Contacts" or "Messages" app), an explorer shows you the raw hierarchical structure of the card. It visualizes the , Dedicated Files (DF) , and Elementary Files (EF) . Open the SIM Card Explorer software