Hardware dependent. DHD 4300 units with PX3 (older) cannot go past Android 8.1. Units with PX6 can run Android 10 or 11. Check your CPU in . If it says "rk3188" (not rk3368), do not attempt Android 10.
Before downloading anything, you must identify your and Build number . Incorrect firmware will brick the unit. Download Firmware Head Unit Dhd 4300