This video features the update of the H96 Pro Plus TV Box. Think of this device as similar to an Apple TV or Amazon Fire Stick.
Stream Netflix, view videos from your usb stick at 4K, view Youtube, play games or run Kodi.
Please find the download firmware referenced in this video at the link.
This firmware should upgrade Android 6.0 to Android 7.0 aka Nougat.
Please note, updating firmware can be extremely dangerous and all precaution should be taken.
If you are not comfortable doing this - don't. You can destroy your Android TV box if you do something wrong.
Full video can be found here.