Yah but i have no idea what possibly i need to chek. I have very little time for these stuff apart from my life so will seeYes, I understand, and for me it was quite likely that it was done with third party drivers.
That's why I proposed to collect information on any different hardware versions, hoping to find a common version in the various groups of phones (high and low volume).
Then it would just be a matter of applying the necessary settings according to the detected version.
Or a manual option, and issue closed.