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 ...

In a first for US wireless carriers, Sprint and Verizon Wireless will allow iPhone 4S customers to unlock their mirco-SIM card slots, which enables use on wireless networks around the world, reports ...

Pushing an ota update, even if it is possible on the iPhone, and forcing it upon the owner of a phone is illegal. So if you want to stay unlocked, don't upgrade the phone. It sounds like you're ...