problem with Pirelli DP-L10 and upload the firmware

Hi, I have a problem with the DP-L10. The upload the firmware in the phone is not succesfull. I have made following steps: - change the UART number in the two header files - compile the source - connected the phone with laptop - run the command "./host/osmocon/osmocon -p /dev/ttyUSB0 -m romload ./target/firmware/board/pirelli_dpl10/layer1.highram.bin" - put the accu in the mobile phone the upload the firmware start and the last message from osmocon is: handle_write_block(): 64 bytes (1024/1024) handle_write_block(): Block 51 finished Finished, sent 51 blocks in total Received block ack from phone Sending checksum: 0x55 I have follow message expected: Received block ack from phone Sending checksum: 0xaa Checksum on phone side matches, let's branch to your code Branching to 0x00820000 Received branch ack, your code is running now! I see not the error. Can you please a idea give. Marco