[Jason Gin] wanted to reuse the SIM card that came with a ZTE WF721 wireless ... Unfortunately, the terminal has no function to change the PIN and none of the defaults he tried seemed to work.

The popular standard protection service providers offer is the Personal Identification Number (PIN). This four-digit code prevents unauthorized access to the SIM card, ensuring data security.

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 ...