Android's file system can be a tad confusing if you're not used to searching for your downloaded files. Luckily, there's an app to solve that issue.

To write on a PDF on Android, open the PDF file in the Adobe Acrobat Reader: Edit PDF app, and tap on the Text icon. Select where you want to input new text and type away.

Did that image or document you just downloaded to your phone disappear? Here’s how to find it on an Android or iOS device.

We download files to our phones all the time, but finding them can be tricky. Here's a guide on how to find downloads on your Apple, Samsung, or Android phone.