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 ...

[Jason Gin] wanted to reuse the SIM card that came with a ZTE WF721 wireless terminal he got from AT&T, but as he expected, it was locked to the device. Unfortunately, the terminal has no function ...

Start by powering off your phone and ejecting the SIM card tray using the tool provided with your phone. Carefully check the SIM card for visible scratches, dirt, or signs of wear. If it looks ...