Your Galaxy’s always-on display is draining battery, here’s the hidden fix Samsung built in

Always on display (AOD) is a genuinely clever feature, but running it all day is mostly wasted power. Also, if you’re wearing a smartwatch, your phone’s AOD is doing a job that’s already being done on your wrist — and draining the battery to do it. Here’s a hidden Samsung Galaxy setting that lets you schedule AOD for the hours you’ll actually use it.