I've seen several other people having the same issue with their s9 after the new update but mine is getting unbearable and is turning off every couple minutes by itself.
I've tried everything online. I've tried battery saver, location, gone through every setting and have even reset all my settings and disconnected from all wifis, turned the phone on and off and yet nothing is changing it.
It's so bad it turns off mid way while I'm still using it? I can stare at my wifi button and watch it turn off. I have no viruses, I've scanned every thing and I have disabled all apps from having access to my battery. I'm not sure what else to do? Any one found a solution yet??