Yt9260-ver1.1 Firmware [verified]
Do not turn off the car or disconnect power during the "green bar" progress, as this will brick the unit.
For advanced troubleshooting, 4PDA and XDA-Developers host extensive threads on modding and recovering AC8227L-based units. yt9260-ver1.1 firmware
Finding the correct firmware for this specific board can be the difference between a functional infotainment system and a "bricked" paperweight. Why You Might Need a Firmware Update Do not turn off the car or disconnect
