RA-X622BT

Infos produit

RA-X622BT Aide et support

App Download

Take full control with the App — personalize your experience and keep your system up to date.

Comment installer le micrologiciel

Please follow the steps below carefully.

Step 1: Download the firmware package and extract (unzip) it.

Step 2: Copy the following three files directly to the root directory of a FAT32-formatted USB memory stick (do not place them inside a folder):

  • apd_8257_AA_6.75inch_SS1
  • update_dj.zip
  • zxdzlogo.png

Step 3: With the stereo powered off (recommended), insert the USB memory stick into the Apple CarPlay / Android Auto USB port on the head unit.

Step 4: Power on the stereo. The firmware update will be detected automatically and installation will begin.

Step 5: Allow the update to complete without removing power or the USB memory stick. Once complete, the unit will automatically restart with the new firmware installed.

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Important Information

  • Ensure the vehicle has a stable power supply throughout the update process. We recommend leaving the engine running during the update or using an adequate external power source.
  • Do not remove the USB memory stick or switch off the ignition while the firmware is installing.
  • This firmware is only intended for the Road Angel RA-X622BT multimedia head unit.
  • Update time is typically 3–5 minutes, after which the unit will automatically reboot.

Notes de publication du micrologiciel

Version - 03 July 2026

What's New

This firmware update introduces several new features and usability improvements to enhance your In-Car entertainment experience.

New Features & Improvements

  • NEW: Added AUX Input application support.
  • NEW: Added the ability to manually set or adjust the system date and time.
  • NEW: Added USB Music playback support.
  • NEW: Added USB Video playback support.
  • NEW: Added additional Factory Reset options and restoration functions.
  • NEW: Added the option to enable or disable Rear Camera Parking Guidelines.
  • NEW: Added the ability to switch between the internal and external microphone, improving hands-free call quality when an external microphone is installed.

Liens utiles

Foire aux questions

What does this unit do?

This is in-car multimedia systems that upgrade your vehicle with a touchscreen display, smartphone connectivity, and digital radio.

Does it support Apple CarPlay & Android Auto?

Yes, it support Apple CarPlay and Android Auto for navigation, calls, music, and apps.

Does it have DAB radio?

No, it does not have DAB radio.

Can I make calls through the stereo?

Yes, built-in Bluetooth allows hands-free calling and music streaming.

Does this unit have a touchscreen?

Yes, it feature responsive capacitive touchscreens.

Can I connect a reversing camera?

Yes, these units support reversing camera inputs for easier parking.