My Samsung Galaxy Note 9 camera makes a weird noise and gets all blurry and wavy when I try to Zoom in or take a live focus photo! It's impossible to get a decent pic that needs zooming in or live focus. Have checked many forums and found out this is...

A simple trick could work wonders. I just switched off the screen auto brightness and the battery life improved drastically!! Never expected this level of difference though. Even if my screen on time is more or less the same, but the actual usage see...