Geeetech

Just to be sure what board I have, I took it apart and it was marked v4.1b. Strangely the board is red vs the black ones in the parts section.
The screen only showed v4.1 hewn you went to system information. I also had read where 4.1b boards already had firmware for 3d touch, mine didn't.

So I ...

I have an A10M which has the 2560 v4.1. it has worked fine for months until today when I tried to add a 3D touch sensor. I installed the sensor restarted the printer but still no options so i attempted to reflash the firmware with the hex file from Geeetech website
filename A10M_TITANS_HW4.1B_FW2.3 ...