Download and upgrade instructions:
1) Prepare a empty USB stick and download the folder from the link.
2) Transfer the zip file onto the root directory of the empty USB.
3) Rename zip file to "upgrade_pkg.zip"
4) Plug USB into the MMB product once the system has booted up.
MMB Android USB
Latest: January 26th 2021 - LINK
January 13th 2021- LINK
December 17th 2020 - LINK
MMB Wireless CarPlay Adapter Plus
Latest: January 27th 2021 - LINK
December 25th 2020 LINK