To turn off Background App Refresh on the iPhone, open the Settings app, go to General > Background App Refresh, then choose Background App Refresh > Off. Or, toggle the option off for specific apps only. To turn off automatic app updates, open the Settings app, tap iTunes & App Store, then turn off Updates. This feature uses extra battery life to maintain your location and communicate with the App Store. To disable Suggested Apps in iOS 10: The amount of battery power saved by blocking ads and cookies isn’t as significant as other battery-saving tips. However, along with a small boost in battery life, the Safari browser runs faster and uses less data. Turn Auto-Brightness on to save energy because your screen will need to use less power in dark places. To turn on Auto-Brightness in iOS 13 and later, open the Settings app, go to Accessibility > Display & Text Size, then scroll down and tap Auto-Brightness. In iOS 12 and iOS 11, open the Settings app, go to General > Accessibility > Display Accommodations, then tap Auto-Brightness. For iOS 10 and older devices, open the Settings app, tap Display & Brightness (or Brightness & Wallpaper in iOS 7), then turn on Auto-Brightness. To reduce the screen brightness, open the Settings app, go to Display & Brightness (or Brightness & Wallpaper in iOS 7), and drag the Brightness slider to the left. This parallax effect is neat to show off and it makes the phone seem more alive. However, it offers little functionally and takes a toll on an iPhone battery. Plus, disabling this extra motion on an iPhone can reduce motion sickness for some people. To turn off Background Motion in iOS 12 and up, open Settings, and go to Accessibility > Motion, and toggle on Reduce Motion. For iOS 11 and under, open Settings, tap General > Accessibility > Reduce Motion, then turn on Reduce Motion. To disable Wi-Fi, open the Settings app, select Wi-Fi., then turn off Wi-Fi. Wi-Fi can also be turned off from Control Center. Swipe down from the top of the screen, or up from the bottom (depending on the iPhone model), then tap the Wi-Fi icon to make it grey. To disable the hotspot on an iPhone, open the Settings app, tap Personal Hotspot, then turn off the Personal Hotspot toggle switch. To turn off Location Services, open the Settings app, go to Privacy > Location Services, select Location Services, and tap Turn Off to disable it completely. Or, scroll down the page and deny Location Services for individual apps. To turn off background tasks, go to Settings > Privacy > Location Services, choose System Services, then disable items such as Location-Based Apple Ads, Popular Near Me, and Setting Time Zone. Dynamic Backgrounds don’t need to be turned off because there isn’t an enable and disable Dynamic Backgrounds function. Instead, don’t select images in the Dynamic section when changing the iPhone wallpaper. The option to enable or disable Bluetooth on an iPhone can be found in the Settings app under Bluetooth. To turn off cellular data, open Settings, tap Cellular, then turn off Cellular Data. To turn off push to save the iPhone battery life, open the Settings app, tap Passwords & Accounts (or, Mail > Accounts), select Fetch New Data, then turn off Push. To set a mail update schedule, open the Settings app, select Passwords & Accounts (or go to Mail > Accounts on older devices), choose Fetch New Data, then select your preference (the longer between checks, the better for your battery). Choose from hourly, every 30 minutes, or every 15 minutes Pick an auto-lock option that works best for you. Anything less than Never increases battery life (the more frequent the lock duration, the more battery savings you’ll experience). To set the auto-lock, open the Settings app, tap Display & Brightness, select Auto-Lock, then choose a time from 30 seconds up to 5 minutes. To disable the feature if you don’t use your iPhone to track your motion or you have a fitness band, open the Settings app, go to Privacy > Motion & Fitness, then turn off Fitness Tracking. To save battery life on your iPhone by disabling the equalizer feature, open Settings and go to Music > EQ > Off. To turn this feature off, open Settings, go to Phone > Calls on Other Devices, then turn off Allow Calls on Other Devices. Control whether AirDrop receiving is on or off through Control Center. Swipe down from the top of the screen or up from the bottom, then tap AirDrop. Choose Receiving Off to disable it. Another way to customize how AirDrop works is through Settings > General > AirDrop. To check whether photos always upload to iCloud, open the Settings app, tap Photos (on older devices, tap Photos & Camera), then turn off iCloud Photos or iCloud Photo Library. In iOS 9, you can choose to send data to developers. In iOS 10, the settings have an option for iCloud analytics. Regularly and automatically uploading data uses the battery, so if this feature is turned on and you need to conserve energy, turn it off. To prevent the iPhone from sending diagnostic data, open Settings, go to Privacy > Analytics & Improvements, (just Analytics in iOS 12 and earlier) then move the sliders for Share iPhone Analytics and Analytics Data to the Off position. Instead of keeping vibration on all the time, only use it when necessary (like when the ringer is off). To turn off this feature, open Settings and go to Sounds (or Sounds & Haptics), then turn off Vibrate on Ring. Low Power Mode shuts down all non-essential features on an iPhone to conserve as much power as possible. Apple claims that turning this on will add up to three hours of battery life. Enable Low Power Mode from Settings > Battery. Another way is through Control Center; tap the battery icon to enable or disable it. If battery savings is important, keep apps open when you’re not using them. The way to get around a battery losing capacity in this way is to use the phone as long as possible before charging it. Wait until the phone is down to 20% (or less) of battery left before charging. Here are some examples of battery-intensive activities:
Movie and music streamingVideo gamesWeb browsingDownloading apps and other filesUploading content to the internet