please help! ATJ2085
 

hi everyone!
i need help with my s1mp3 ! i tried to use it and it just dont work. at first it showed the welcome message, then i heard like 10scnds of a song and it resets, and now its completely dead. ive got the firmware or i think so . when i trie to repair it with the update tool it says "flash is no responding!". ive tried doing the short circuit but it keeps doing the same... please can anyone help me??

the chip is atj2085 and it used to work with the 3.0.45 wilson co. firmware