HTC Desire 628 has these storage types:
This storage combines both the internal storage, where apps, email, data, and text messages are stored, and the file storage, where photos, videos, and music files are kept.
If you are running out of phone storage, see
Making more storage space for some tips on how to free up space.
Use a storage card for storing more files. You can also set some apps to store data or files directly to the card.