Firmware Update | Yt9216b
A firmware update takes 5–15 minutes. If your car battery dies mid-flash, the unit is bricked. Run the engine or connect a trickle charger.
Go to Settings > Car Settings > System Information > Android Upgrade . Yt9216b Firmware Update
If you have recently installed a new head unit and your steering wheel controls aren't working—or if specific buttons (like the voice command button) aren't mapping correctly—a firmware update often includes updated CAN-Bus protocols to support newer vehicle models. A firmware update takes 5–15 minutes
If the unit is stuck in a boot loop, insert the USB and press the "RST" (Reset) pinhole with a paperclip. Yt9216b Firmware Update