-hotspot is working fine. See the screenshot.
Yeh its working for sharing files but Turn on data and it shows "error". i posted logcat a while back.
edit: log https://pastebin.com/XrkMacp4
if camera processes comes back right after you kill them, try this
just delete cameraserver and mm-qcamera-daemon in system/bin (make copy first) then go to terminal run this command
ps | grep camera
and kill them with this command