Be extremely careful when selecting "Format All + Download." This mode erases critical partitions including the IMEI/NVRAM, which can be very difficult to restore on car head units.
Download the official stock firmware specifically matching your device model number. mt3367 android scattertxt best
: If you cannot find firmware, you can sometimes generate a scatter file directly from a working device: Enable USB Debugging in Developer Options. Connect to MTK Droid Tools. Click Blocks Map and then Create Scatter File to save it. Be extremely careful when selecting "Format All + Download
Select for standard safe updates or partition modifications. mt3367 android scattertxt best