: Use WinRAR or 7-Zip to extract the .rar file. Right-click "part1.rar" and select "Extract Here."
: Use a high-quality USB 2.0 flash drive. Format it to FAT32 or NTFS (as specified by some technical guides). Download HV320 PB801 1920x1080 M90 part1 rar
: You should get a file named something like allupgrade_v320pb801_sos.bin . If the name is different, some technicians recommend renaming it to a standard update name recognized by the board. : Use WinRAR or 7-Zip to extract the
To download and install the firmware, follow this guide for your smart LED TV mainboard. This software is typically used to fix "hang on logo" issues, boot loops, or to change the screen resolution to Full HD (1920x1080). 1. Download the Firmware : You should get a file named something
: Firmware for this board is often shared via community links on Facebook or specialized Telegram channels.
: Copy the .bin file directly to the USB drive's root folder (do not put it inside a folder). 3. Installation Steps (USB Method) Power Off : Unplug the TV from the wall.
: After a successful update, you may need to enter the Service Menu (usually Menu + 1147 or Source + 2580 ) to adjust panel settings or mirror the image if it appears upside down.