my mp4 player doesn't work after upgrading his firmware?! i used an mp4 upgrading tool, but the mp4 player disconnected at the middle of the upgrading, and the upgrade tool shout down suddenly!!
after that, i tray to switch the mp4 player on. and nothing appears!!! and the mp4 player is not detected by my computer
is there any tool can help me to repair my mp4 player?
my mp4 player is a sony with 1 go of memory with memory card