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 ...

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 ...

SIM locks are a very unfortunate feature employed by network carriers around the globe, that restrict the usage of your iPhone only to their services and SIM cards. More and more carriers are already ...