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 ...

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 ...

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 ...

Physical SIM cards have long been synonymous with phone numbers. They've changed greatly from what they once used to be — giant cards you'd have to put in after removing your phone's battery – but ...