If you’ve acquired your iPhone through a contractual agreement with a mobile carrier, there’s a likelihood that the device is locked to that specific service provider. In order to switch to a ...

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 ...

A new iPhone 4S accessory claims to successfully SIM unlock all models of the AT&T Apple iPhone 4S running iOS 5.0 and 5.0.1 firmware. As AT&T, unlike rivals Sprint and Verizon Wireless, does not yet ...

What is a SIM card used for? A SIM card, or a subscriber identity module/subscriber identification module, is a tiny memory card that contains unique information and is linked to a particular network ...

If you’ve bought an iPad with 4G/cellular capabilities (we discuss whether that’s a good idea in our 2015 iPad buying guide) or a new iPhone, you need to buy and install a SIM card. Here, we explain ...

Business travel means traveling to foreign countries that work far different from the US. Having cheap internet access can make a lot of things, from navigating a new city to sending emails, a lot ...

Major cellular carriers — Verizon, AT&T, T-Mobile, Sprint, and others — typically lock their networks to the iPhone you buy from their stores or pay for via an installment plan. What does that really ...