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 ...

When an Android phone shows “Not Registered on Network,” it means the device is unable to communicate with the carrier’s ...

Check the SiM card: Turn off your Android device and remove the SIM card tray. The latter has a button you can push with a thin object, like a pin. Seat the SIM card properly in the tray before ...

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, ...

Some owners of Apple's new iPhone 4S have been hit with SIM card error messages, even if they are connected to a CDMA carrier that does not use SIM cards. One reader ...

SIM or Subscriber Identity Module card is a smart card that contains all the information such as user identity, phone number, location, contact list, personal security keys, text messages, and network ...

The Subscriber Identity Module, or SIM, used with GSM iPhones does not affect network reception; however, if you're unable to connect to the network to send or ...

Google Fi Wireless, the lesser-known telecom service provider in the US, has cellular service operational in the country. It offers decent plans for wireless communication and internet. Some Google Fi ...

Google Fi subscribers are having issues with their SIM cards failing. The tech giant has now acknowledged the issue. Some subscribers are receiving a $60 bill credit applied to their account. Are you ...