Shortcut for the iPhone: Activate Ultra Low Power Saver – this is how it works
Turn off all unnecessary power guzzlers on iPhone with Ultra Low Power Saver command
First, you’ll need Apple’s Shortcuts app on your iPhone. Then set the switch “Allow untrusted shortcuts” in the settings of the shortcuts app.
To use the Ultra Low Power Saver, download the free shortcut from the download link below. Then simply press the app icon and activate the special power saving mode.
Your iPhone will now automatically switch to power-saving mode, deactivating all unnecessary power guzzlers. You’ll also see additional settings that can help you save even more battery.