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IMPORTANT: enter the case-INsensitive alphabetic (no numbers) code AND WRITE SOME SHORT summary of changes (below) if you are saving changes. (not required for previewing changes). Wiki-spamming is not tolerated, will be removed, so it does NOT even show up in history. Spammers go away now. Visit Preferences to set your user name Summary of change: See AimCanFirmwareUpgrade '''-c write''' needed to write firmware (not -c verify): * roundloader.exe -p COM1 -s 19200 -f aim2can_DB25_BMW.chex -c verify <= this will NOT write ! * roundloader.exe -p COM1 -s 19200 -f aim2can_DB25_BMW.chex -c write <= this is the command to write ** in case of problem, please report exact command and md5sum of the files (.chex and roundloader.exe files at least) ** try write (VT Tools/firmware/firmware upload, not the wizard method after replacing an old round.chex file under VT/... directory with the aim2can_DB25_BMW.chex file tweak-named as the round.chex), see AimCanFirmwareUpgrade Hi, I'm currently trying to flash one unit (from VAG ?) to BMW specifications, I managed to get it into boot mode by sending file with loads of SSSS. problem is that I can't upload fw to it. adding screenshots with problem. argc: 9 Firmware pages in chex: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 55 Bootloader section pages in chex: Speed: 19200 Port: COM1 BUFF:????■????■lCurrent State: UNKNOWN!! Exit! '''Despite the (misleading) State: UNKNOWN message it actually seems to be a success, page55 is the marker word. After reboot, does it work ? Sending AIM data, every 5th byte is 0xA3 ?''' https://ibb.co/mFX4yBH https://i.ibb.co/5xnLj95/aim2canboot.png https://ibb.co/L1jGg2k https://i.ibb.co/njdW15g/fw-upload.png Optional: Add document to category: Wiki formatting: * is Bullet list ** Bullet list subentry ... '''Bold''', ---- is horizontal ruler, <code> preformatted text... </code> See wiki editing HELP for tables and other formatting tips and tricks.