I've try all the option and the facory reset too, factory reset from 6.0 doesn't downgrade the phone to 5.1, and not working at all,
please solve this blackview, release the patch ASAP.

factory reset doesn't solved the problem, I've tried.

yes, mine too

i got the same problem, try to charge in power off for 4-5 hour and got only 18% of battery charged, try to charge using PC and it charge but very slow, only got 33% from 18% in 1,5 hour, try to entering the safe mode and my phone just displayed "Blackview" screen.