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 ...

According to a report at GigaOM, Apple’s working on creating a SIM card that will be integrated into the iPhone itself. That means cutting carriers out of the purchasing process, and giving more power ...

Two issues are pushing Apple to expand beyond its current one-carrier arrangement for the U.S. iPhone, an analyst told investors Monday. Not only is the iPhone maxxing out the AT&T network, the ...

Adoption of Long-Term Evolution technology would switch Verizon from CDMA to GSM, the standard currently used by 80 percent of cell phones worldwide Verizon Wireless will adopt the LTE (Long-Term ...