How to recover a file from the Recycle Bin in onedrive?

Step 1: Tap the Me icon Person icon in OneDrive app for iOS at the bottom right of your screen, select the account, and then tap Recycle Bin.

Step 2: In the Recycle Bin view, select the files you want to restore.

Step 3: To restore the files back to your OneDrive, tap Restore OneDrive restore file.