DMH-ZF8550BT Firmware Update

04 Sep, 2023 V1.54

System Firmware Update Instructions for Pioneer In-Dash AV Receivers DMH-ZF8550BT | Version V1.54

This firmware update applies only to the following models of Pioneer In-Dash AV Receivers sold in India


Please download and print these firmware update instructions before downloading and installing the firmware update. It is important that you complete all steps correctly and in the order described below.

Note: If you have any questions, please contact Pioneer Customer Service toll free at 1800-103-5787 Monday through Friday, 9:00 AM - 05:30 PM, excluding holidays, or email us at

In order to perform this update, the following items are needed:

  • Pioneer In-Dash AV receiver
  • A USB storage device meeting the following requirements.
    • 512 MB or larger in capacity, formatted to FAT32 or NTFS
    • Blank (should not contain any files)


  • DO NOT turn your unit off or eject the USB storage device while the firmware is being updated.
  • You can only update the firmware when the vehicle is stopped and the parking brake is engaged.

Download Firmware Update