Chosen Solution
So I dropped my iPhone 6s about 3 feet, it literally slipped out of my pocket randomly & landed screen up (ive got it in an otterbox defender) I figured it was fine, dropped it many times and far worse before..
But then I tried using it, and I couldnt hear the speaker, or the heaphone jack, and there was no haptics like before, and then I was near 20% charge and tried to plug it in to charge… no charge light, at all… I’ve got some knowledge in iPhone repair & skills to open it up & swap out parts, I did the battery replacement on it 4 months ago without a hitch. So.. Any ideas? Please and thank you all! :)
It was a missing 2.9mm Phillips screw securing the battery connector bracket , it was missing, replacing it fixed all the above issues!