So, just today, when I maximize the volume on my phone, my volume button "works" and moves it to the maximum loudness, but the sound itself just sounds 50%. Can I follow these steps on your video to fix the volume? I have a Samsung J7 Prime.
A24. All buttons work EXCEPT the arrow back and ONLY on the home screen. On the home screen I have to swipe from screen to screen to see all of my apps/badges/icons. It's hard to tell what you're doing. I was messing around with settings, and that's when this all started. And I can't remember what things I changed.