1. From the home screen, tap the Apps icon.
   
2. Tap Settings.
   
3. Tap Storage.
   
4. Your internal storage space will be displayed. Scroll to view external SD card storage space.
   
5. The SD card storage space will be displayed.
   
6. The AT&T Fusion 3 is available with 4GB internal memory models with the option to add a MicroSD card up to 32GB.