Tap [User Box].
Tap [System] - [File Re-TX].
Select a file and set the desired operation.
Select a file, then tap [Delete]. The file is deleted. You can also long-tap the target file to display the menu icon, then drag and drop it to to get the same result.
You can select multiple files and delete them simultaneously. Check the file details, then tap [Yes].
Select a file, then tap [Details] to check the detailed file information.
You can tap [Details..] or a thumbnail image to preview the file image.
To enlarge or reduce a preview image, tap .