Download: File Rsag7.820.6392_hisense H50m3300.p...

If you obtain a firmware file (often named something like upgrade_loader.pkg or Hisense_H50M3300.pkg ):

To ensure you get the correct and safe firmware version for your TV, it is strongly recommended to use official channels: Download File RSAG7.820.6392_Hisense H50M3300.p...

The reference refers to the main PCB (Printed Circuit Board) used in the Hisense H50M3300 If you obtain a firmware file (often named