Can you upload lastest version of SP MDT tool cutom edition? To programm display and touch

Yes, i try every firmvare, including oreo. Unfotunatly it does not help.

Did you perform a factory reset after flashing the new firmware? Of course, I did it first. I even did full formatting. Unfortunately the core of that firmware was patched my touchscreen. I tried all the available methods to return the calibration, but none of the firmware returns the touchscreen s...

I flashed phone with wrong firmware, after that I flash it with BV8000Pro_blackview_20170718, and everything is ok, but touchscreen loose calibration, there is an inversion along the X and Y axes. Help me please to calibrate touchscreen.