steps
what you'll need: USB Mini-B to PC, Renesas Flash Programmer, Windows only; file: TrueMatch_RDM_V6_00_CEL4.srec
1Same procedure as Celeb 450 LED, see that entry
2Select TrueMatch_RDM_V6_00_CEL4.srec as the firmware file
GotchaNOTE: 'Celeb LED 450' and 'Celeb 450 LED' appear to refer to the same product line; both use CEL4 firmware GotchaCEL4 covers both 450 and 450Q variants GotchaFX mode removed in v6.0