Applicable Model
This information is for the following model(s):
- XAV-AX8500
About This Download
Benefits and Improvements
- Enhances the security features of the system software
IMPORTANT: Make sure the Date and Time are properly set both before AND after the update process.
Previous Benefits and Improvements
Additional Information
The May 27, 2025 update fixes a security vulnerability in the Bluetooth communication function.
We would like to extend our gratitude to the following individuals and organizations for notifying us regarding this security vulnerability:
- Cong Thanh (@ExLuck99) and Nam Dung (@greengrass19000) from ANHTUD working with Trend Micro Zero Day Initiative
- Radu Motspan (@moradek), Polina Smirnova (@moe_hw) and Mikhail Evdokimov (@konatabrk) from PCAutomotive working with Trend Micro Zero Day Initiative
- Synacktiv (@Synacktiv) working with Trend Micro Zero Day Initiative
- Thanh Do (@nyanctl) from Team Confused working with Trend Micro Zero Day Initiative
File Info
- Name: XAV-8500_3040000.eup
- Version: 3.04.00
- Size: 372 MB (390 140 923 bytes)
- Release Date: 16-07-2026
Preparation
Check the Firmware Version
Follow these steps to check the currently installed firmware version of the media receiver:
- Turn the media receiver ON.
- Select Settings from the Home screen.
- Select System.
- Select System Information.
The current firmware version will be displayed.
Note: If the version displayed is 3.04.00, you do not need to update the firmware.
Important Notice
- Park your car in a safe place and start the engine to prevent the battery voltage from becoming too low during the update process.
- Do not turn off the media receiver while it is updating.
- Do not disconnect your smartphone or the USB storage device during the update process.
- Set the date and time after the update is complete.
Download & Install
There are two ways to update the firmware:
- Update via the Internet using USB tethering with your smartphone (recommended)
- Update via a USB storage device and your computer