Hey guys, having the same issue here. I am using an app called Volume Booster Goodev. No root needed. Just set the volume to go up by 10% and you should be fine. I know I am, cause I missed my notifs before... Good Luck!
Unfortunately it drains 10% battery...sorry..will uninstall soon
Subscribing for the Exynos working version
Woooww it's amazing. All stock? I'm debloated with package disabler some apps and mañy best sot is 7 hours with 1 day and 10 hours.
Enviado desde mi SM-G975F mediante Tapatalk
I think that what you get it absolutely amazi...
Did you try the Battery Optimization Guide that a user shared here on forum?