The latest firmware i´ve got from the seller (Disclaimer: use it at your very own risk!):
mega.nz
Release notes (translated from chinese by google):
2022-11-26 update record:
1. Add the OTA function of the traveler.
2. Add font size menu
3. Option to increase sleep time
4. Add bluetooth music control on Home Launcher, share with music and radio control
5. Add fan control APP
6. Solve the problem that Spotify still plays the sound when making a Bluetooth call
7. Add the external power amplifier switch (the default is off and half off, when connected to the external power amplifier, turn on this switch to reduce the POP sound)
8. Add a fiber optic coaxial switch (default off, the noise floor will be smaller if you turn it off, turn on this switch when using optical fiber or coaxial network cable)
9. Modify the headlight detection, mute setting items can be saved after power off
10. Click Save on the radio to save the name of the currently displayed RDS station
11. Solve the problem that the google calendar app cannot run
12. Solve the problem that the music is in some cases (such as igo front desk), and the music is not playing, so the button is pressed
13. Optimize the problem that the radio sometimes has no sound
14. The protocol APP has added translations in more than a dozen languages such as Polish
15. Optimize the problem that sometimes there is no MCU version in the car settings
16. All models turn off the original car radio by default to avoid complaints that the radio has no effect (if you have the original car radio, turn it on yourself)
17. Added support for Luzheng Renault Arkana and other models, updated Audi Mercedes-Benz to be fully compatible, and supports knobs
18. The stations added to the information list of all stations are displayed according to the current band
19. The main interface opens the function of adding widgets (displayed on page 2)
20. When modifying the search, press the home button to return to the main interface, and then enter the radio, the search stops
21. When modifying the search, press the home button to return to the main interface, press the button of the radio control on the main interface, the search does not stop
22. Solve the problem that nova launcher cannot open QF APP
23. carplay closes the background connection by default
24. Put the carletter/zlink5 app icon on the home page
25. Update to simple caprlay app to 5.3.18
26. Display the fan APP according to the serial number date (the boss does not display the fan APP, and the board after 2022-12-22 displays the fan APP)
2022-11-05 update record:
1. Modify the name of the radio RDS station
2. Modify the default background of the AUX interface
3. Added equipment, display, reversing, and system display pages in the car settings, and moved some settings in the factory settings to the new settings page and general page
4. Modification of Polish language strings on the main interface and car settings
5. Wright adds square control key support (the Wright APP has a probability of being useless when it is in the background)
6. Optimize the sleep wake-up function and reduce the situation of ACC restart
7. Solve the bullet box problem of Kugou and other apps
2022-10-19 update record:
1. Solve the problem of re-ignition and cold start after loading the car, and solve the problem that the radio station cannot be saved after power failure
2. Install all currently available launchers in the machine, allowing customers to choose from multiple options
3. Adjust the default launcher to the blue one, optimize the four displays on one screen, optimize the animation showing the speed of the car, and the power of the mobile phone
4. Allow installation of third-party launchers
5. Add our company's current common protocol options
5. Optimize some black screen INT problems
6. RDS saves the station to display the name of the station, you can edit the name of the station by yourself, and optimize the use of RDS
7. Fix the bug "The current band is not memorized after the search station is disconnected from B+ (the actual broadcast station 107.5 is FM2, and the display interface is band 1)"
8. Fix the bug "When switching from FM1 to FM2/3 while receiving a radio station, it still plays 87.5 instead of the stored radio station"
9. Update carplay, fix POP sound and other issues, but still need to reactivate
10 Adjust the sound balance ratio, navigation, radio, Bluetooth music, phone calls, local music, video and other sound outputs are consistent
11. Solve the problem that the other party cannot hear the sound when making a Bluetooth call after running Google Assistant
12. U disk recognition optimization, compatible with more U disk.
13. Replace two built-in music
