Hi many tks to all who have replied re upgrade 1st dl tks Bill

Tks for very quick reply Gwyn I shall proceed with caution and take yr points on board tks again Bill

Hi and Help
have downloaded file from pentax to upgrade my camara pentax slr 1st dl so i can use a higher spec memory cared ie ultra 11 4 gb sdhc sandisk. have lost my usb cable can i use my card reader to download file onto my memory card via card reader then activate in the camara or do i have to buy another use cable.
appreciate a speedy response as am going on hols sunday 24 and was thinking of buying new cared in duty free tks Bill