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 ...

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 ...

One of the promoted specifications on the new Apple iPhone 4S is the "world phone" capability, but it isn't quite the world phone that many international travelers who use GSM phones are used too.

The easiest way to check your balance on a Standard Bank SIM card is through a USSD code. This method works even without an ...

The big reason to immediately update to the November security patch – besides being the first one for the Pixel 7 – is that it contains a bug fix for a security issue that can unlock and bypass your ...