Iphone 5 Power Saving Mode. If you found this helpful click on the Google Star Like it on Facebook or follow us on Twitter and Instagram. Use Low Power Mode to save battery life on your iPhone.

Simply put enabling the toggle for either After Automatic Wake or After Emergency Wake will turn off Low Power Mode any time it restarts when charging or when you force it. Low Power Mode reduces the amount of power that your iPhone uses when the battery gets low. Next tap on Battery and turn on the Low Power Mode.
Low Power Mode reduces the amount of power that your iPhone uses when the battery gets low.
The battery indicator in the status bar will turn yellow while Low Power Mode is enabled. Wi-Fi is the most efficient way your iPhone can connect to the internet so you should always favor it over a cellular network. Devices with One UI 25 or lower will have different power saving options such as Optimized Medium power saving and Maximum power saving. Go to Settings Control Centre Customise Controls then select Low Power Mode to add it to Control Centre.

