H815 - battery life? :D

Hey guys! I wanted to ask you how much SOT can you get on your LG G4 with stock Marshmallow(mine is v20g-EUR-XXX). I'm getting barely 4hrs of SOT, how much are you getting? Plus I've heard we can disable something in service menu(some logging?), does it really improve battery life(especially in standby?) If so please share this method here, I'll be very thankful ;)
PS. My phone is not rooted ;)

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