Tap on the Gallery’s Grid Icon on the bottom navigation menu of most screens within the app.
Tap the Gallery category folder that you wish to rename.
Tap the ... (three dots) Icon at the top right of your screen.
Tap the Rename option with the pencil icon.
Type in your new Gallery category folder name in the text field under Rename gallery folder.
Tap the red RENAME button to complete renaming your Gallery category folder.
Alternatively, you can long press on the folder from the main Gallery screen and then tap the Rename option with the pencil icon, before following all the same steps explained above.
