[Q] After upgrade to 6.0.1 of A310F hardware buttons not working

Hey guys,

I upgraded to 6.0.1 stock rom with ODIN. Not the hardware buttons are not responding. I already tried factory reset and wipe cache. No success.

Also downgrading to 5.1.1 doesn't change anything. Buttons not working in latest 5.1.1 ... strange.

Can someone give me an advice?

Thanks!