Find and tap on the Files app. To see all of the files on your device, tap the Browse button located at the bottom of the app. Tap the Downloads option to see every file you've saved onto your device.

Depending on the file, you can choose to open and save it in the app designated for that type of file. For images that were saved as files, tap to open, then tap the Share icon (bottom left) and ...

Once you've installed the app, you can find your downloaded files by selecting the Browse tab at the bottom of the app, then tapping Downloads. Tap a file to open it, or long-press on it to select ...