It's easy to keep your iPhone in Low Power Mode permanently. Whether it will extend your battery life is less certain.

When your iPhone battery drops to 20%, your phone will ask if you'd like to switch to Low Power Mode. If you need to stick it out just a little longer with the juice that you have, this is a good ...

Ready to power down? Let’s walk you through the steps to turn off your iPhone. Press and hold the Sleep/Wake button on the top of the phone until the Power Off slider appears on the screen ...

If you want subtler animations across iOS, you can enable the Reduce Motion setting. To do this, go to Settings > ...