(Some carriers automatically unlock phones remotely after a certain ... Use the provided tool to eject the SIM card holder from your phone. Remove the old SIM card from the holder.

[Jason] already knew what the SIM unlock command would look like; he just needed to capture the exchange between the WF721 and SIM card, find the correct byte sequence, and look at the bytes ...

Or you might need to enter an unlock code provided by your current cell phone company before you can install a new SIM card. If you have ... into an online tool on the carrier’s website.

If you desperately need to swap out the SIM card or install a microSD in your Android device, but can’t find the ejector tool that came with your phone, there are many household items you can ...

(Subscriber Identity Module lock) A function in GSM cellphones that restricts the phone's use to a particular cellular carrier identified by a SIM card. SIM locks are used to ensure subscribers ...