A pair of severe security problems in millions of SIM cards should be easy for operators to fix, according to the German security researcher who found the issues. Karsten Nohl of Security Research ...

Use a SIM ejector tool or paperclip to gently remove the SIM tray. Take out the SIM card and inspect it for damage, such as ...

As noted in a recent viral video, some people who have installed the latest version of iOS have reported that their phones are suddenly losing signal or reporting that they have no SIM card. In some ...

Today’s Android phones are significantly more advanced than they were just a few years ago, but one thing hasn’t changed: the need for a SIM card. Every phone needs a physical or eSIM card to make ...

Nothing Phone (3) gets major update B4.0-251224-1229 with battery icon redesign, dual SIM ringtones, Android Auto fix, Glyph improvements, and December security patch.

Although cell phones have changed significantly in the last few decades, they still need a SIM. Some phones have moved to eSIMs, but many still use physical SIM cards. If you have a working phone, ...

Fix the 'No SIM Card Detected' error on Android with 15 proven solutions. Quick fixes, eSIM troubleshooting, and when to get a replacement SIM.