Updated: Sun Oct 15 13:04:09 UTC 2023

Main firmware (.bin): fdskey.bin
(MD5: 646b0e52c5eb00ab8c8d3bfcc21dd72d)
Put the fdskey.bin file on a microSD card and hold all four buttons during power-on to update the firmware. Or use a programmer and write it to the 0x08020000 address.

Main firmware (.elf): fdskey.elf
(MD5: d34b0382bd06aeeed968d1f4073e453d)
Use this file to write firmware using programmer.

Bootloader (.bin): bootloader.bin
(MD5: ef94177f7598b283f1df6f1e45003c37)
You can use it to update the bootloader via the service menu. Or use a programmer and write it to the 0x08000000 address.

Bootloader (.elf): bootloader.elf
(MD5: a474087213210918fee2e1d6ce7b119f)
Use this file to write the bootloader using programmer.