I want to buy a new music phone but it's a T-Mobile pay-as-you-go handset and I'm currently on an O2 contract. I still have a few months left on the contract but I really want to change my phone. Is ...

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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 ...

To check if your Android phone is unlocked, try swapping in another SIM card or test your network settings. If calls work, ...

By entering certain strings of numbers and symbols into your phone's dialer, you can gain access to a world of hidden ...

In the age of mobile computing, security is more important than ever. Protecting your data from those who could use it to cause you harm is a never-ending battle. While an alphanumeric password is ...

Some codes are specific to certain models, but other, more generic codes can be accessed on nearly any Android device. SOPA Images/LightRocket via Gett You might not know this, but your Android device ...

You could access numerous useful iPhone features by typing in a few secret codes on your device. Lots of the codes work whether you have an old or new iPhone and they can let you do things like ...

One of the best features you’ll find on locks that support Apple Home Keys is the ability to open the lock simply by tapping ...

As part of the December Feature Drop, Google is rolling out a new feature that lets you quickly and automatically unlock your phone if your Pixel Watch is nearby and unlocked too. The option showed up ...

It's now easier to wear a face mask and use Face ID than it was, but a new form of Touch ID for the iPad Air 2020 underscores the difficulty. Here's what to know. Jason Cipriani is based out of ...

Most of the time, using your face to unlock your phone is a seamless way to access your device. However, now that we’re all wearing masks while we’re out and about (right?) that feature is more of an ...