System Firmware Update Instructions for Pioneer SMARTPHONE CD Receivers

Firmware update for SPH-C19BT, DEH-S3190BT

07 May, 2019 8.17

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 by email us at

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

  • Pioneer Smartphone receiver listed above.
  • A USB storage device meeting the following requirements.
    • 2 GB or larger in capacity, formatted to FAT32
    • 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 ca only update the firmware when the vehicle is stopped and the parking brake is engaged.
Download Firmware & Instructions here