If your MMI screen is stuck displaying "Bootloader version 2.40 MMI (H43) application update search download CD," the system is waiting for valid software to be loaded via the CD changer.
You need a 3-disc firmware set. Common part numbers include 4L0 998 961 (Europe) or 4F0 998 961 (North America). Perform the Update: bootloader version 240 mmi h43 download new
. This often happens if the "Start Bootloader" option was accidentally selected in the hidden "Green Menu" or if a firmware update was interrupted. How to Fix the Bootloader Loop If your MMI screen is stuck displaying "Bootloader version 2
: Official manufacturer websites, reputable Android forums (like XDA Developers), and device-specific support pages are good places to find and download bootloader updates. Perform the Update:
Insert the firmware CD (typically Disc 1 or 3 from a set) into of the CD changer.
You flashed the bootloader to the wrong offset. You will need JTAG recovery (soldering required). Search for "unbrick H43 via Raspberry Pi Pico."
A: No. Version 240 has anti-rollback protection (e-fuse blown). Attempting to downgrade will result in a permanent brick.