For generic Hi3798 boxes, looking for ROMs that offer an Android TV interface (Android TV OS) rather than standard Android Tablet OS can provide a better experience with remotes.
If you want to ditch Android entirely, CoreELEC is the for Hi3798. It runs Kodi directly on the Linux kernel. hi3798 firmware top
CNXSoft provided excellent early documentation on these updates, which can be followed to find updated versions for similar hardware. How to Flash/Update Hi3798 Firmware For generic Hi3798 boxes, looking for ROMs that
Allows for advanced customization and ad-blocking. Top Firmware Sources for Hi3798 Devices For generic Hi3798 boxes
: Generic tools like those from Boxput or Tanix are often used for simpler Android TV box upgrades via a USB-to-USB cable. Standard Upgrade Procedure (USB Method)