K this is driving me nuts. I'm in a call and the Bluetooth disconnects right after the screen shuts off. Then reconnects after a few seconds. It keeps doing that over and over. As long as the screen stays on its fine. Any takers?
This is a known KK Android issue last I remember. I don't have the link, but after reading through threads I found a temp fix by changing your Wi-Fi frequency band from 'auto' to '2.4 Ghz only'
Don't ask me why, but I remember doing this with AOKPK builds and it worked.