. You will likely need to create a free account to see download links. Manufacturer Support:
There is no single "universal" MTK 8227L firmware. You must match your board ID and screen resolution .
provides links for both touch-only and volume-knob versions. Junsun Specific Updates
The MTK 8227L Firmware Collection on XDA Forums is the most comprehensive repository, containing versions for Android 6 through 9.
Here is a guide on where to find the right link and how to flash it safely.
