How to Use Low Power Mode on an iPhone (and What Exactly It Does)
11 tips to extend your Samsung Galaxy battery life | Samsung NZ
Galaxy S21/Ultra/Plus: How to Enable/Disable Power Saving Mode - YouTube
Galaxy S23's: How to Change The Low Battery Notification Sound - YouTube
Request] ULTRA POWER SAVING MODE - like on Samsung - for when you're at like 5%, +500 miles away from a charger, and still need basic phone utilities. : r/jailbreak