If your projector is "dead" (unbricked) or you need to downgrade due to bugs, follow this general recovery process:
: Fixes screen shaking during digital zoom and corrects frame rate issues in certain video files. hy320 fw and tool 417rar top
: Rectifies incorrect code positions (like fclose ) that can cause background crashes. Using the Flash Tool (417rar) If your projector is "dead" (unbricked) or you
Use a needle to press and hold the reset button located in the small hole below the HDMI port. hy320 fw and tool 417rar top
For users whose projectors are functioning normally, the easiest way to update is through the system menu: