i tried it with bbsak. intalled also miltiple 7 os on my pc (7,1 two version and 7,0 )
i deleted also files like vendor. it just does not want to install anything :-( i also tried to follow some suggestion here like deleting some programms if there is a many of them (HKLM - Software- research in motion- apploader (but i didnt find file apploader). please help me (
You should be able use the BlackBerry Desktop software to load or reload the current OS, even if you haven't been able to get anything to load.
Look here for details: How to reload BlackBerry Device Software and applications using BlackBerry Desktop Software
thank you for your answer, but i did it many times. i plug my blackberry and then automathically Comes messege that my device can not communicate with Desktop and then says update and i hit that, BUT Comes massege that no blackberry device Software update available