How to Use Low Power Mode on an iPhone (and What Exactly It Does)

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Your iPhone has a “Low Power Mode”, which you’ll be prompted to activate it when your cellphone reaches 20{bee317a2559d13a75caaf6af5f4d02a14abe32641887c9defccb6fb9d1912473} battery. Nevertheless, you possibly can allow it earlier than that time to stretch your battery life additional. Beginning with iOS 11, you can too activate Low Power Mode proper from the Management Heart.

Low Power Mode disables settings like mail fetch, Hey Siri, and different issues that individuals generally change when they need to make their iPhones dwell longer between expenses. For no matter purpose, Low Power Mode is simply accessible on iPhones, not iPads.

How to Activate (and Deactivate) Low Power Mode

When your iPhone reaches 20 p.c battery energy left, you’ll see a “Low Power Mode” immediate seem. Your iPhone will inform you what options might be quickly disabled, and you may select to “Proceed” and allow Low Power Mode or “Cancel” and never allow Low Power Mode. Low Power Mode can reportedly give you anyplace from one to three hours extra time earlier than your iPhone dies. It actually relies upon on what you’re doing along with your iPhone.

You too can allow Low Power Mode everytime you like. For instance, let’s say it’s the beginning of a protracted day and you recognize you’ll be away from an outlet for a protracted whereas.

To activate Low Power Mode from the Settings app, head to Settings > Battery and activate the “Low Power Mode” slider. The battery indicator within the standing bar will flip yellow whereas Low Power Mode is enabled.

Your iPhone will at all times robotically disable Low Power Mode if you cost it up to a sure level. Low Power Mode is at all times non permanent and solely lasts till the following correct cost. There’s no approach to completely allow it.


On iOS 11, you can too activate and deactivate Low Power Mode from the Management Heart fairly than digging by means of the Settings app every time. Nevertheless, you have got to add this characteristic’s toggle to the Management Heart your self.

To take action, head to Settings > Management Heart > Customise Controls. Faucet the plus signal to the left of “Low Power Mode” to add the toggle to your Management Heart, after which contact and drag it to place it the place you prefer it. Now you can swipe up from the underside of the display and faucet the battery-shaped button to allow or disable Low Power Mode.


What Low Power Mode Does

Low Power Mode does plenty of issues to save battery energy. It robotically adjustments some settings to save battery energy, like disabling automated fetching of recent mail, lowering your display brightness, and robotically locking the cellphone and powering off its show extra rapidly. Apps can detect low energy mode is enabled and select to disable animations and different battery-hungry options, too.

Movement results and animated wallpapers are additionally disabled. Background actions and networking are paused to forestall pointless energy drain within the background. Your iPhone even robotically reduces the efficiency of its CPU and GPU, which makes it carry out a bit slower however saves battery life. Assessments have discovered that this slows iPhones by about 40 p.c when Low Power Mode is enabled.

Low Power Mode is pretty aggressive, which is why it isn’t enabled on a regular basis. It’ll enable you squeeze extra battery life out of your cellphone when essential, however you most likely wouldn’t need to use it on a regular basis.

How to Change A few of These Settings Completely

When you can’t completely allow Low Power Mode, you possibly can completely change among the settings Low Power Mode does. You too can use the choices on the Battery settings display to see which apps are utilizing essentially the most battery energy and select to take away them or regulate their settings.

  • Disable mail fetching: When you have any e-mail accounts configured to “fetch” new mail, your iPhone is robotically checking them at common intervals and downloading new mail. This forces your iPhone to repeatedly get up and do work. Set your mail accounts to “push” new mail to you or simply disable this and manually examine for brand new mail to save energy. Utilizing handbook refresh will forestall you from receiving e-mail notifications, nonetheless. It’s a trade-off.
  • Display brightness: Enabling auto-brightness will guarantee your display isn’t too shiny when it doesn’t want to be, saving battery energy. This setting needs to be on by default—simply don’t disable it. You too can swipe up from the backside of your display at any time to manually regulate the brightness stage. The brighter your show, the sooner your battery is draining. That is accessible underneath “Show & brightness” within the Settings app.
  • Auto-lock timeout: To avoid wasting battery energy, you possibly can have your iPhone robotically lock itself and switch off its show after a shorter time frame if you aren’t utilizing it. Open the Settings app and navigate to Normal > Auto-Lock to discover this setting. For instance, you might have your show robotically flip off after as little as 30 seconds.
  • Disable background refresh: You may forestall apps on your iPhone from robotically refreshing within the background whilst you aren’t utilizing them, too. To do that, open the Settings app and navigate to Normal > Background App Refresh. You may disable Background App Refresh for each app from right here, or simply forestall particular person apps from refreshing.

There’s no approach to completely throttle down your cellphone’s CPU or GPU, nonetheless. You’ll have to allow Low Power Mode everytime you need to gradual your down to save battery energy.


Right here’s a bonus tip: Your iPhone’s show gained’t mild up when it receives notifications if it’s positioned face-down on a desk or desk. Place your iPhone face-down to avoid wasting battery energy and stop the show from coming on when you don’t care about seeing notifications as they arrive in at any given time.

Picture Credit score: Karlis Dambrans on Flickr

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