na upit googlu 300d firmware treci cetvrti link
http://satinfo.narod.ru/en/download.html
uputstvo za instalaciju na
http://web.canon.jp/Imaging/eosdigital/E3kr_firmware-e.html
a evo kompletna lista sta sve popravlja hackovani firmware
# Enables Custom functions menu
# Enables Flash Exposure Compensation using SET button
# Enables SET button function when shooting (to change image quality or shooting parameters)
# Enables Shutter release w/o CF card
# Flash sync speed in Av mode
# Enables RAW+JPEG rec. Enables setting the quality of embedded JPEG
# Enables Mirror Lock up
# Enables the ability to select the autofocus mode: AI servo, Oneshot etc.
# Enables setting ISO 3200