[lucianoflp]

tadad1 and bojer, yes the player is detected after connecting to pc and goes to ADFU mode. somtimes, after short the pin and the player detected ADFU mode, i turn off and turn on the player and it is automatically detected as ADFU, so today i clean the chip pins and tried again, but when i use the mp3 update toll to flash the fw the same messages appears. when i use the fw 3.5.37v2.1b FM.fw that i download here, and start the update toll, select the fw and before press recover firmware button the mp4 screnn turn on (black) and after when a press the recover firmware button the message "read or write device information failed!(...)" appears, but when i try other fw, other message appears, "flash is no responding".