Ok just to clarify, the instructions I posted do work, they update the software in this order: BSP (colour text screen), MPU (white screen with text in the middle), MCU (software menu after unit boots into radio).
For the BSP update to come up, it is essential that you:
- start with a blank SD card (format it to make sure)
- make sure the "UPD" file in the firmware zip is the first file copied to the blank SD card (this is why you must extract this file and this file only, by itself, into the blank SD card before you extract the rest)
If your unit does not boot into the colourful text screen with the firmware SD in the GPS slot, most cases it's because the UPD file is not the first file copied to the SD card.
After the BSP update the MPU update will run itself. After it tells you to reboot the unit, whether the unit reboots itself or not, SWITCH OFF the unit. And then, REMOVE the firmware SD from the GPS slot, and start the unit again. If you do not remove the firmware SD before you start it again, you will end up at the colourful text screen for the BSP update again, and you will have to repeat the process and wait for the MPU update.
If you removed the SD from the GPS slot and started the unit it will simply boot into radio. When you see the radio screen, insert the firmware SD into the GPS slot again. You will get an automated popup menu asking to update the MCU. Choose yes and wait, then the unit will turn itself off when the MCU update is complete. At that point your firmware update is complete, remove the card from the GPS slot (again, do this before you turn on the unit or you will end up at the BSP update screen again), and you can turn on your unit with BSP, MPU and MCU all updated.
For reference, the updated firmware numbers are:
BSP: MS9.D
MCU: DNS810.131202_CAN
MPU: DNS810.A9.20131129
I use the exact same process above to update my firmware every time, so if you don't end up with these versions, go back, read the instructions, and follow them to the letter.
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