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Hold both buttons pressed for a few seconds. Open “ Engineering Menu” pressing the SETUP button and immediately after that the PHONE button. Update the MAP or your RNS850Ĭopy the root of your map in the SD (like picture below) If there is component with NOK status, retry the update! If all is OK then press “ Next“Īfter the reboot the RNS 850 update is completed. Ensure that all components have OK status and not NOK. At the end comes a few reboots.Īfter several minutes/hours (it depends that what it has to update and the speed of your SD) the firmware update will be done. You will see a list with all categories that firmware will update Select the source in the menu (SD 1).Ĭhoose the firmware pressing the big knob once Insert the SD card with the firmware in slot 1 Press the “Update” option using the touch screen. Engineering Menu The following screen will appear

Hold both buttons pressed for a few seconds, the RNS850 will enter in update mode. Important: Do not remove the SD card with the firmware from the MMI during the update Updating the firmware The card should look similar to this: SD card contents – HN+_EU_VW_K0821 SD card contents – HN+_EU_VW_K0824

Prepare SD card with the firmwareįormat the card with FAT32 file system and then copy the files from the first software update. If your card is bigger than 32GB then follow the steps described in this manual to make it compatible with the RNS850. The separate firmware upgrades are bellow 2GB in size but the map is bigger hence the 32GB SD. You will need high quality SD Class 10 for faster (and safer) file operations.