An unreleased prototype of Microsoft’s dual-screen foldable phone, Surface Duo, was recently found listed online for sale. While Surface Duo ran on Android, the leaked prototype runs an unreleased ...

When Mitsubishi made your first cellphone, you know you’ve been around a while. Steve has carried the latest and greatest around in his pocket for nearly 30 years, with everything from Motorola ...

Is Microsoft secretly working on the return of its Surface Duo folding smartphone? It’s possible, as a recently filed patent shows it’s still coming up with ideas for hinges that are the key to making ...