Resist the urge to toss that old phone. Give it a second life by installing this open-source version of Android optimized for outdated hardware.

While most of us have moved on from the cellphones of the early 2000s, anyone who might have kept their older models could be ...

A secondary-school student in China has used a 3D printer and old smartphone components to make a vertical foldable mobile phone, winning massive admiration on social media, including the thumbs ...