This device is available with 64GB of internal, usable memory and the option to add a MicroSD card (sold separately) up to 128GB.
From the Apps Menu tap the Settings icon.
Scroll to and tap Storage.
The device storage summary will be displayed beneath Device memory.
Scroll down to view the SD card memory summary.
Remove unused apps by tapping Settings > Application Manager > Tap desired app > Tap UNINSTALL or DISABLE.
Clear app data by tapping Settings > Apps > Tap desired app > Tap CLEAR DATA.
Use a cloud storage app such as Google Drive (Apps > Drive) to leave more space free on your phone. Note: You can also download cloud storage apps via the Play Store.
Purchase an SD memory card to expand your device memory.