Ensure you are using the correct "dump" file specific to the GX6605S chipset; using the wrong file can cause the receiver to stay on "Red Light" mode. For visual aid on faster flashing methods, you can reference guides from technical creators .
This usually means the COM port is wrong or the RS232 cable is loose. Ensure you are using the correct "dump" file
Usually a .bin file contained within a .rar or .zip archive. Ensure you are using the correct "dump" file