What is Low Power Mode?

>>>WHEN YOU NEED to eke out as much battery life as possible on your iPhone, you need to switch on Low Power Mode.

You’ll be prompted to enable it when your battery drops to 20% anyway, but you can switch it on manually at any time via Settings > Battery, at which point your battery indicator turns yellow.

In iOS 14 it disables email fetch and background app refreshes, automatic downloads, several visual effects, and defaults Auto–Lock to 30 seconds. iCloud Photos are temporarily paused, and 5G is disabled for everything except video streaming. Low Power Mode automatically switches off when you’ve charged your iPhone to 80% or higher, but if you open Shortcuts, select Automation, and tap Create Personal Automation, you can configure it to come back on automatically when your battery falls below a certain level. Scroll down and tap Battery Level, set your desired level, select Falls Below, then tap Next followed by Add Action. Type “low power” into the search box and tap Set Low Power Mode. Tap Next, then Done to finish.