i didn't manage to do it with win7 (64bit) but when booted ubuntu from usb stick, all went fine (except i forgot to flash the emmc )

i bricked my device this mornign and it has acted strange since after I got UI booted again, im now reflashing for third time a row.

see https://bugs.maemo.org/show_bug.cgi?id=6307
(my very first bug report )