This SIM card unlocking post is presented by iToolab. iToolab has released a new tool designed to quickly and easily let you unlock your iPhone or other smartphone’s SIM card and even switch cellular ...

Sprintfeed reports that Sprint will be SIM locking their iPhone 4S SIMs starting on November 11th. Starting tomorrow, all iPhone 4S devices will have the SIM locked. The locking occurs during the ...

Yeah, that makes just as much sense to us as it does to you. Following yesterday's PR debacle, the final word from Sprint appears to be as follows: "Sprint's policy is to have the iPhone 4S SIM locked ...

Owning up to its ‘Worldphone’ capabilities, Macworld got the SIM unlock policies from Verizon and Sprint which may make the CDMA phone more attractive than one from AT&T that is SIM-locked. But ...

Sprint cleared up its policy regarding international roaming on the iPhone 4S Thursday, announcing its intent to lock the phone’s micro-SIM slot and then unlock it for good customers only by request.

Sprint today clarified its policy on carrier-locking the SIM card slot on its iPhone 4S. Sprint's policy will be to lock the SIM card slot out of the box, so it will only work with a Sprint SIM card ...

If you own an iPhone 4 on AT&T, using the device while traveling internationally means paying sky-high roaming fees, jailbreaking or limiting data use to when you're on a WiFi network, either with a ...

(Subscriber Identity Module lock) A function in GSM cellphones that restricts the phone's use to a particular cellular carrier identified by a SIM card. SIM locks are used to ensure subscribers finish ...

If you have a SIM card PIN enabled on your phone to access data on the SIM card, but you repeatedly enter it incorrectly, the SIM card may lock you out from further attempts. You can reset the SIM ...