SIM card errors in smartphones can occur among other symptoms of a software glitch like when installing new update with bugs. In other cases, hardware components are to blame including a damaged SIM ...

When your phone doesn’t recognize the SIM card, chances are that the SIM card might be dislodged, not compatible, or worst, damaged. There are also other instances where SIM card errors are triggered ...

Imagine trying to call someone urgently from your Android device only to be greeted by the error message "SIM card not detected." This error means that your device is ...

The "SIM not provisioned" error occurs when your SIM card is no longer able to share information between your phone and your provider. The "SIM not provisioned for ...

Major wireless carriers have fixed a bug that could have allowed criminals to hack into hundreds of millions of cell phones, says a security expert who exposed the flaw. Cryptographer Karsten Nohl of ...

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, ...

Apple says the issue may stem from having an inactive SIM with the same number as your active SIM. To fix it, remove the ...

A SIM card, or subscriber identity module card, is essential component of any phone. It connects your device to a cellular network and stores vital information, including your phone number. Many ...

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 ...