Android photo frames have quietly become one of the most popular ways to reuse old phones and tablets, but the same shortcuts that make them easy to set up can also leave them wide open to attack.

Got an old Android phone that you think you won’t be using anymore? Instead of throwing it away, repurpose it into something like a dashboard clock or a photo frame. I’ll show you how to do that. The ...

The idea of adding a second screen to a smartphone is not new, but it is rarely implemented in a way that feels practical for ...