From the home screen, swipe down from the top of the screen to access the Notification menu.
Tap the Settings icon.
Tap the File Share ON/OFF switch to turn on.
With your device connected to the Hotspot's Wi-Fi network, navigate to http://attwifimanager, enter the required password, then click OK. Note: To find the password - Home screen > Notification menu > Settings > File Sharing.
Click upload.
Click Choose File.
Navigate to and select the desired file, then click Choose.
Click upload.
From the home screen, tap OFFICE.
Tap File Share.
The shared file will display. Tap the desired file to view.
To download to the device, touch and hold the desired file.