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 ...

When dealing with an unlocked or locked phone, the question is whether or not the device can work on a specific wireless network that's different than the network the phone was designed to work on. An ...

Have you ever gotten a new phone only to find out it’s locked to a specific carrier? This often happens when you purchase a subsidized phone from a carrier. The carrier locks the phone so you can’t ...

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 ...

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If you’ve bought a cellular iPad from someone other than Apple, you may later find that the iPad is locked to a particular network. If you insert a SIM from a ...