[HELP]: Wrong u_boot into flash

[kader_73]

hello again ;

still with my f*** machine, i tried to boot from usb as said in the help using usbboot command , mtd0 in root fat32

7119 > usbboot 0x80000000 0:1

Loading from USB device 0, partition 1: Name: usbda1
  Type: U-Boot

** Bad Magic Number **
7119 >