2GB killed by firmware update

[arneee]

Hi,
I did a firware upgrade but it seems that I put older version on top of my 9.1.52 which came in a cdrom with my player.
My player is 2GB real 1,8 nano latest 3rd generation clone (paid 20,5$ with delivery at ebay link: http://cgi.ebay.co.uk/ws/eBayISAPI.d...MEWN:IT&ih=015)
So now it is dead and when I connect it to PC, the Player Product Tool program does not see it and basically the screen is black, when I turn it on for a millisecond it blinks white, then nothing.
Is there a way to format the device and how to get it back to life?

[arneee]

Update: The seller wrote me I had the newest firmware in it 9.1.52 and that the one which came with cdrom was old 9.0.52. He told me to find
firmware: LSD_91N18V_A1,2007-08-04,9.1.52 which I downloaded from internet.
Using the DEAD player revival guide found at http://www.mympxplayer.org/viewtopic.php?t=567?48dc7e60 I get my device reinitialized as adfu device but, now I can not format it anyhow anymore. And as it can not be reformatted I can not put the necessary firmware back. Does anyone know how to reformat if it does not allow to do it?