Hi,
Bug feedback on latest firmware (v250823) and se'en it on older firmware.

1st bug report [Edit: Bug fixed in latest OTA Update (v250829)]
Description:
In Navbar Layout, Selected "Layout 3 (Dual-Zone A/C)", i can't select custom A/C Button Function in "Navbar button layout".
"1ST A/C Button Function" and "2ND A/C Button Function" does nothing.
But if i select "Layout 2 (Single-Zone A/C)", i'll be able to select custom A/C Button function.
Video for explanation:
https://drive.google.com/file/d/1po2Wim7PURPQU7Y7yDGY4bNWZWpGeFB3/view?usp=sharing
Bug is present on all DUDU Devices (DUDU7, DUDU5, etc).
2nd bug report [Edit: Not a bug finally]
Description:
In SWC Learning settings, i think "Buttons MODE" menu is not linked correctly.
Go to "Vehicle" - "SWC Learning":

In "Button settings", select "Button mode":

And the sub menu is related to Reverse camera:

Regards