: If the receiver is stuck on "Boot," you will likely need an RS232 to USB cable (using GX6605 Loader software) or a CH341A programmer to write the dump directly to the SPI flash chip.
Do you have the and RS232 cable ready to begin the flashing process? : If the receiver is stuck on "Boot,"
Before flashing, ensure the file matches your hardware exactly to avoid permanent damage (bricking): : National GX6605. Board ID : S01 20140716. : If the receiver is stuck on "Boot,"