How to Upgrade your Fm Transmitter?

For Bluetooth Disconnection of Nulaxy KM18, KM19, KM20, KM21, KM22, and KM24, please try to update the device software.
See step by step instructions on YouTube:          https://youtu.be/4ApZIdHcdxg

(The process is the same for all models above)

  • YouTube

Upgrades Preparations:

  1. Upgrade equipment: USB flash driver or micro SD card.

  2. Keep upgrade equipment file system in FAT32. If not, please format it as FAT32.

  3. Copy more than one MP3 file to upgrade equipment in root directory.

  4. Copy upgrade files to upgrade equipment in root directory.

 

Upgrade Steps:

  1. Please save the file to your USB flash driver or micro SD card with FAT32 file system, and then put 1 or 2 songs (MP3 )+ Update file*MVC into the file roof manual.

  2. Plug USB flash driver or micro SD card into KMxx.

  3. While updating , KMxx will go black and then reset by itself, the final display “Update is OK ” means the update is successful.

  4. Delete the *MVA in the USB flash driver or micro SD card.

Note: Please Download the following ZIP for Updating.
 
Upgrade Firmware ZIP.

Any Issues, Please Feel Free Contact Our Nulaxy Support Team and Ask for a Help.

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