The No SIM card error may depict a possible software problem affecting the phone’s network functions particularly with the SIM card system. It can also denote a ...

Millions of mobile phones may be vulnerable to spying due to the use of outdated, 1970s-era cryptography, according to new research due to be presented at the Black Hat security conference. Karsten ...

If your new phone no longer supports SIM cards, or you don't want to use them anymore, you can convert to eSIM instead.

Do you get the error message “No SIM Card Detected” or “No SIM Card Installed” after inserting a SIM card into your phone? This problem often occurs when you ...

So you're in a pinch, and you need to swap out the SIM card or install a microSD in your Android device, but you can't find the nifty little ejector tool that came in the device's retail box. Fret not ...

On April 29, SK Telecom announced that it would implement a "SIM format" method, which changes the SIM card software, to achieve the same effect as physically replacing the SIM card without actually ...

The iPad's Subscriber Identity Module connects the tablet to cellular data when Wi-Fi is unavailable. Unlike the iPad Mini, which uses a nano SIM card, the standard iPad uses a slightly larger micro ...

When your phone fails to read or recognize the SIM card, it will give you an error message saying so. Among the pertinent errors to show up would include No service ...