The text for the MTCC-KLD6-V3.06 update typically refers to the MCU (Microcontroller Unit)
. You should not flash an MCU file from a different manufacturer (e.g., MTCD or MTCB) or a different manufacturer code (e.g., JY, GS, HA), as this can "brick" your device. Current Version : You can verify your current version by navigating to Settings > About Device > MCU Version on your head unit. Installation : The update file is typically named Mtcc-kld6-v3.06 Update
for this specific firmware version from a trusted community forum? The text for the MTCC-KLD6-V3
. It is installed by placing it on an SD card or USB drive, inserting it into the unit, and selecting the update option in the factory or system settings. download link inserting it into the unit