Free up space in the storage by uninstalling apps and deleting files you no longer want to keep. In Settings, tap
Storage > Make more space.
Themes can quickly consume up storage space because themes can include images, sounds and icons. Remove themes you're not using. See
Deleting a theme.
Keep only the most recent data in your apps and files that you often need to use. You can back up your other data and files. For some tips, see
Ways of backing up files, data, and settings.
Disabling an app.
Some third-party apps can be moved from the phone storage to the storage card. Go to
Settings > Apps > On SD card to see which apps can be moved. To move, tap an app, and then tap