If your SIM is used in a different phone, activation will need the SIM PIN, which is different from your phone’s unlock PIN. To protect against accidental PIN entries, only three incorrect ...

[Jason] already knew what the SIM unlock command would look like ... he was able to work his way backwards and determine the unlock command and its PIN code. It turns out the PIN was even being ...

Your phone's SIM card allows the device to make calls, send texts, and connect to the internet. The SIM card provides a phone number that identifies your device on the carrier's network, whether ...