i got it, i got it, i got it :-))))
if somebody also has problems to get the isflash.bin temp file: in CMD run the exe-file with "/forceit". example: C:\Users\AlvaroIsAHero\V5MM2204.exe /forceit
go to your temp folder, and the file(s) will be there...
i was too lazy to remove the battery... it worked for me while i was penetrating the battery reset hole on bottom with a paperclip :-)))
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thank you alvaro!
greeeeeeeets
blub