If USB recovery fails, a USB to RS232 Serial Update Cable (specifically a 3.5mm jack to USB) is required to flash the firmware via a PC loader tool like the RS232 Update Utility .
If the receiver is "bricked" (stuck on "Boot" or "Load"), you must use the force-flash method: Download File v8honor_02032021.bin
GTMedia V8 Honor (DVB-S2 Satellite Receiver). File Type: .bin (Binary firmware image). Release Date: March 2, 2021. If USB recovery fails, a USB to RS232
Choose the .bin file and select "All Code" as the upgrade mode. Release Date: March 2, 2021
Only use this file for the V8 Honor . Flashing this onto a different model (like the V8 Nova or V8X) can cause a permanent hardware brick.
Place the renamed file on a FAT32 USB drive. Force Boot: Power off the receiver. Insert the USB.
Change the filename from v8honor_02032021.bin to flash.bin .