Activate your iPhone back to AT&T if the SIM card you insert after you install blackra1n onto the device doesn't work properly. Blackra1n is a third-party program that "jailbreaks" SIM-bearing iPhones ...

Today we try to discuss what it means to have an unlocked phone and what to do if faced with a problem with it. This is far from a detailed explanation on the subject about why some unlocked phones ...

We just received a shot of an internal AT&T memo detailing the carrier's intention to start transitioning to LTE-capable SIM cards. AT&T has started preparing employees for a new SIM card that will be ...

You may have had AT&T SIM (Subscriber Identity Module) card problems on your iPhone before or received the notification "Airtel SIM not provisioned." This happens sometimes, and the reason is fairly ...

I have a corporate AT&T sim card they issued to me but its on an asstastic USB data card that sometimes gives my mac kernel panics. I figure it would be better if I could use it as a cheap wifi ...

Have you been holding off on purchasing that shiny new Apple iPhone until someone figures out how to unlock it? While that day isn't exactly here yet, a major milestone has been achieved. By using a ...

I have an ATT iphone, and I'm considering the verizon LTE ipad. For most situations I would probably prefer to use verizon's LTE network (as intended), but could see wanting to use ATT's network in a ...