your phone prompts you to enter a Personal Unlock Key (PUK), an eight-digit number. This number is located on the packaging your SIM card came in. If you don't have the box, contact your carrier ...

[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 ...

If you've ever called your carrier's customer service to activate a prepaid SIM card or troubleshoot a malfunctioning Android SIM card or iPhone SIM, then you've likely needed your ICCID number.

Begin by ensuring that the SIM card is correctly inserted into the device. Power Off the Device: Turn off your Samsung Galaxy before handling the SIM card. Eject the SIM Tray: Use the SIM ejector tool ...

You can enter the number on Boost’s website to find out if you can use the device. The next step is to deal with your SIM. This process depends on whether you use a physical SIM card or an eSIM.

There are several ways to check your mobile number from your SIM card, as explained below: Asking the Carrier: Depending on your carrier, you may be able to call or text a special number that will ...

A PUK code is required if a GSM SIM card was locked after entering the wrong PIN code three times in a row. Entering a wrong PUK code ten times in a row disables the SIM card permanently.

(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 ...