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 prompts an error message pertaining to the SIM card, it could be due to a system error, a bad SIM card, or damaged network components on the phone ...

The SIM card is a crucial component of your iPhone, connecting you to your carrier's mobile network. It stores vital information such as your phone number, billing details, and cellular provider. When ...

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 ...

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 ...

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 ...

CNN reports that the security researcher who detailed a SIM card security flaw that might have put 750 million phones at risk says several carriers have fixed the issue. The hack, revealed last month ...

Apple recently seeded a second revision of its iOS 5.0.1 firmware, and besides decrypting key files that aid in the legality of a Siri port, the update seemed to bring nothing new to the table. Some ...

No network on your phone? Fix call drops, SIM issues and weak signals with simple Android and iPhone solutions for Airtel and ...