merci rafik de ton aide, j 'ai fais ce que tu m 'as dit malheureusement apres avoir injecté le dump le loader m' indique ceci:
Open Serial Port..
Sync to serial port..
Send Address..
Download All Chunk
->Warning:download packet:555 Error! Retry..OK
Burn Flash, DO NOT power off!
->Error:No Packet receive!
in execute command:burn
Retry..
->Error:No Packet receive!
in execute command:reboot
Retry.....STB nothing can burn!
upgrade error