The programmable Apple SIM, today for the new iPad Air 2, gives users the freedom to move from one wireless carrier to another -- in theory, at least. Love Apple or hate it, you can't deny the company ...

(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 ...

Apple's new Apple SIM card in the iPad Air 2 and the Retina iPad mini 3 is designed to be universal, usable across a variety of wireless carriers in the US and UK, including AT&T, Sprint, T-Mobile, ...

Despite Apple's claims that the iPad would ship unlocked, allowing owners of the 3G model to access any compatible wireless data network they might choose, the device is locked to carrier Softbank ...

A network-locked Samsung phone can only be used with the carrier it was originally purchased from. Here is how to check if your Samsung phone is locked to a carrier and how to unlock it. The most ...

Security is one crucial issue to we need to pay attention to due to the unsafe environments we live in. Most people have had their phones stolen at some point. And those stolen phones had their bank ...

After you purchase and use your cellphone for an extended period of time, you can change networks. However, the phone that you're currently using may not be offered on that network. If you wish to ...