tarunvishal , so when you connect the player to the computer, MP3 Utilities Upgrade Tool does not detect both players?
If so, you'll need to perform the Dead Player Recovery here
http://www.mympxplayer.org/dead-play...ide-vt567.html
You'll also need to identify the processor's serial number (ATJ2091, ATJ2085, etc), to know which set of firmwares to try on your players.