touch the screen or turn off the ignition until the process is 100% complete. Post-Update and MCU Synchronization
If you own a cheap, unbranded Chinese head unit with the YT9217B processor, you’ve likely stared at the "About Device" screen wondering if that fake Android 10 (often just a themed Android 9) is real. After finally tracking down a legitimate Android 10 firmware and performing the update, here is my honest take on the process and the outcome. yt9217b firmware update android 10