: If you need to revert, consider a factory reset and re-apply your configuration backup from before the update. This sometimes restores the older config but not the firmware itself.
Always read the Release Notes.txt or PDF. It will tell you: ds-7104ni-sn p firmware
: Newer builds can improve video compression (H.264), reduce storage consumption, and enhance the responsiveness of the web interface. : If you need to revert, consider a