Thanks Caty, but i have no problem with 300 fw [it was me who added the PCB PNs for HWIDs 0476 & 0855 to Post #1]. It's 310 fw [HWID 0566] and 610 fw [0596] causing me grief. Your .gcd MD5 hash matches my file and i have the same garbage result as before. I'd already re-downloaded both 310 & 610 fw from Garmin earlier in any case. MD5s match mine too and same search problem. I haven't tried with HxD as recommended by kanopus yet. I'll dl it soon ..... [if i don't smash something first, that is].
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