Boost Your iOS 15 Battery Life with Over 29 Effective Tips

Battery life complaints and rapid battery drain are common with every new operating system update, and iOS 15 is no different. Since the release of iOS 15, we have received numerous reports regarding battery life issues, and these complaints have only increased with each subsequent point release.

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The problems encountered with battery life on iOS 15 can be attributed to software-related glitches that Apple needs to address or excessive usage of GPS, resource-intensive apps, and games, among other factors. Unfortunately, there is no immediate solution for battery life issues caused by bugs until Apple releases an update specifically targeting them. However, there are steps you can take to optimize your battery life and minimize any drain caused by hidden sources.

1. Control App Access to Your Location

It is advisable to review and limit the access of apps to your location for privacy and battery-saving reasons. To adjust your Location Services settings, follow these steps:

  • Launch the Settings app.
  • Select Privacy.
  • Tap on Location Services.
  • Examine the list of apps and modify the settings by tapping on each app's name.
  • locationservicessettings

    Each app offers four options for location settings, although not all choices may be available depending on the nature of the app. The available options are: Never, Ask Next Time, While Using the App, and Always.

    Selecting "Never" prevents the app from accessing your location entirely. Unless a mapping app or similar tool explicitly requires access to your location, setting it to "Never" is the recommended choice.


    "Ask Next Time" prompts the app to seek your location through a popup message the next time it is needed, allowing you to temporarily grant permission. With this setting, location access remains off until explicitly authorized through the popup.

    "When Using the App" allows the app to determine your location only when it is actively open and in use. If you switch to another app or close the current one, location access will cease.

    "Always" grants the app constant access to your location, regardless of whether it is open or closed. Be cautious when opting for this setting as it significantly increases battery usage, and it should be limited to essential apps only.

    Many apps request location information even if it is not necessary for their functionality (e.g., a banking app seeking location access to display nearby ATMs, an information also available through entering a zip code). Therefore, removing unnecessary access here will ensure that no app retrieves your location without explicit permission.

    Disabling Location Services altogether is also an option, but it may interfere with certain apps like Maps, so most users prefer to keep it enabled.

    2. Restrict Apps Using Bluetooth

    Starting from iOS 13, a feature was introduced to notify users when apps require Bluetooth access. Surprisingly, numerous apps request Bluetooth permission for activities such as location tracking using Bluetooth beacons or scanning for Chromecast devices.


    Reviewing this list is crucial to prevent any apps secretly connecting to Bluetooth sources without authorization, which can lead to battery drain. While it is acceptable to grant Bluetooth access to apps that truly need it for Bluetooth-enabled accessories, it is wise to deny access to apps associated with retail stores. Here's how you can access Bluetooth settings:

    Follow these steps to optimize your iPhone's battery life:

    1. Access the Settings app.

    2. Locate and tap on Privacy.

    3. Select Bluetooth from the options available.

    - Toggle off any apps that don't require a Bluetooth connection.

    - It's recommended to disable unnecessary app access to Bluetooth. If a feature within an app fails to function properly, you can easily turn Bluetooth back on.

    Alternatively, you have the option to completely disable Bluetooth, but this may not be ideal for most individuals as it is utilized for AirPods, Apple Watches, and other compatible accessories.


    3. Enable Low Power Mode:

    - Low Power Mode is a highly effective setting to extend your battery life.

    - It reduces background activity such as automatic downloads and quickens the dimming of your display when inactive.

    - You will be prompted to enable Low Power Mode when your battery reaches 20% capacity, but you can manually activate it through Control Center or via Siri.

    - To enable Low Power Mode via the Settings app, follow these steps:

    - Launch the Settings app.

    - Scroll down and tap on Battery.

    - Toggle on the Low Power Mode option.

    - When Low Power Mode is active, the battery icon at the top of your iPhone screen will turn yellow. However, bear in mind that you will need to re-enable it periodically as it automatically turns off once your device is fully charged.


    4. Optimize Wi-Fi Usage:

    - Apple recommends utilizing Wi-Fi whenever possible to conserve battery life.

    - At home or work, ensure you have Wi-Fi activated to save cellular data and enhance battery longevity.

    5. Activate Airplane Mode in Low Signal Areas:

    - In areas with weak or no cellular signal, enable Airplane Mode to prevent your iPhone from constantly searching for a signal, which can drain your battery.


    - It's advisable to switch to Airplane Mode if you encounter poor cellular coverage since you won't be able to perform many tasks with limited signal strength.

    - Activating Airplane Mode will preserve your battery until you can find an area with better connectivity.

    6. Monitor Battery Health:

    - If your battery drains quickly, it might be due to its age and deteriorating condition.

    - To check your battery health, follow these steps:

    - Open the Settings app.

    - Scroll down and select Battery.


    - Tap on Battery Health.

    - This will provide you with insights into the health of your battery, helping you assess if it needs to be replaced.

    Under the section called Battery Health, you will find a category called "Maximum Capacity," which indicates the current battery capacity in relation to its original state.

    If the capacity falls below 80 percent, it may be advisable to consider replacing the battery. Apple offers battery replacements free of charge for devices under the one-year warranty or covered by AppleCare.

    Alternatively, if you need to replace the battery, the cost will range from $49 to depending on the iPhone model.

    To prolong the longevity of your iPhone battery, you can enable Optimized Battery Charging in the Settings app under the Battery Health section. This feature allows the iPhone to learn your charging habits and delay charging beyond 80 percent until it is needed.


    For instance, if you typically charge your phone overnight, Optimized Battery Charging will keep the battery level at around 80 percent until closer to your wake-up time, reducing battery wear.

    Apple also advises against exposing your iPhone to extreme temperatures, which can cause permanent battery damage. Additionally, removing certain cases while charging can prevent overheating and extend battery life.

    7. Manage Battery-Draining Apps

    The iPhone provides information on which apps consume the most battery power so that you can identify any culprits draining your battery without your knowledge. You can access your battery usage statistics by navigating to the Battery section within the Settings app.

    The available charts display your battery level over the course of the past 24 hours or 10 days, along with a list of the apps that have utilized the most battery. If you identify any unnecessary apps that are excessively draining your battery, you can delete them.


    For essential apps, you can control their frequency of use to minimize battery consumption.

    This section also displays the amount of time spent by apps on Background App Refresh.

    8. Minimize Background Activity

    Both first-party and third-party apps utilize background app refreshing capabilities to stay updated even when they are not actively open, such as by fetching emails and downloading updates for immediate use.

    Background App Refresh can have an impact on battery life, and disabling it can help prolong your battery's endurance. You can choose to entirely disable Background App Refresh or select specific apps that are allowed to refresh in the background.

  • Access the Settings app.
  • Select General.
  • Choose Background App Refresh.
  • backgroundapprefresh

    From this menu, you can disable Background App Refresh altogether or opt to activate it only when connected to WiFi, as this consumes less battery compared to using cellular data for downloading.

    You also have the option to activate Background App Refresh exclusively for your most frequently used apps. This can be done by tapping on the toggle next to each app in the list.

    9. Modify Mail Fetch Settings

    Apart from disabling Background Refresh, making adjustments to the frequency and timing of email checks in the Mail app can help conserve battery life.

  • Access the Settings app.
  • Select Mail.
  • Tap on Accounts.
  • Scroll down and choose "Fetch New Data".
  • mailfetch

    From here, you can deactivate Push, which provides immediate notifications for new email messages. You can also customize Fetch settings for accounts that don't support Push, such as Gmail accounts.

    By extending the intervals between checks for new messages or manually retrieving emails only when the Mail app is opened, you can optimize battery life.

    The following settings are available: Automatic, Manual, Hourly, Every 30 Minutes, and Every 15 Minutes.

    10. Restrict Notifications

    Reducing the number of notifications sent by apps is an effective method to conserve battery life. An excessive influx of notifications not only drains the battery every time the screen lights up and the phone connects, but it is also quite bothersome.

    To adjust your notification settings, follow these steps within the Settings app:

  • Access the Settings app.
  • Select Notifications.
  • Review each app individually and modify the toggles to permit or disable notifications.
  • batterynotifications

    If notifications are allowed, you can choose whether apps are displayed on the Lock screen, in the Notification Center, or as banners.

    Apple also offers a convenient feature that allows you to modify your notification settings directly from the notification itself on the Lock screen. Simply long-press on a notification and then tap the three dots (...) to access options such as Deliver Quietly or Turn Off.

    Deliver Quietly enables notifications to appear in the Notification Center while excluding them from the Lock screen. On the other hand, Turn Off completely disables notifications for the respective app.


    You can also consider enabling Focus Mode to prevent notifications from disturbing you for most of the day. In addition, the Notification Summary introduced in iOS 15 is immensely useful for minimizing notification overload. It consolidates all your notifications and delivers them at a designated time of the day. Although it is advisable to disable notifications whenever possible, the Notification Summary ensures that important notifications are delivered collectively.

    If you often find yourself with a low battery on your iPhone, you might not want it to engage in actions that you haven't explicitly initiated, such as automatically downloading apps that have been downloaded on other devices, or downloading software and app updates.

    Apple offers a feature that is designed to synchronize apps across all your devices by automatically downloading apps that have been downloaded on one device onto your other devices as well. So, for instance, if you download an app on your iPad, the Automatic Download feature will also download the same app on your iPhone.

    notification summary 2

    If this is a feature you desire, you can keep it enabled. However, if it's not something you want, you can disable it by following these steps:

    1. Launch the Settings app.

    2. Tap on your profile picture.

    3. Select iTunes & App Store.

    4. Switch off the toggles for Music, Apps, Books & Audiobooks.

    If you also don't want your apps to update automatically, ensure that you disable App Updates as well. Leaving this feature enabled allows iPhone apps to update automatically whenever new updates become available on the App Store.


    If desired, you can also disable automatic iOS updates by following these steps:

    1. Open the Settings app.

    2. Tap on General.

    3. Select Software Update.

    4. Tap Automatic Updates.

    5. Switch off the toggle to disable updates.

    Activate Dark Mode:

    Since the introduction of iOS 13, Apple has included a feature called Dark Mode, which is available throughout the operating system, including Apple's built-in apps and most third-party apps.

    On devices with OLED displays, such as the iPhone X, XS, XS Max, iPhone 11, and iPhone 12 series, enabling Dark Mode can help conserve battery life. To enable it, follow these steps:


    1. Launch the Settings app.

    2. Choose Display & Brightness.

    3. Select the "Dark" option.

    If you tap on the toggle for "Automatic," Dark Mode will automatically switch on or off based on the sunset and sunrise times, allowing you to switch between dark and light modes.

    You can also turn on Dark Mode through the Control Center, which offers a convenient way to activate it if your device is not set to automatic mode.

    Adjust Device Brightness:

    If you find yourself in a brightly lit room or under direct sunlight, you may have no choice but to increase your screen brightness to its maximum. However, if you don't require a super bright display, reducing the brightness can help save battery life.

    You can adjust brightness through the Control Center on your iPhone using the brightness toggle, or through the Display & Brightness section in the Settings app. It's recommended to enable the auto-brightness setting to ensure your screen isn't excessively bright in darker rooms by default, though some manual adjustment may be necessary in brighter rooms or under direct sunlight.


    14. Modify Auto-Lock Settings and Disable Raise to Wake

    It's recommended to adjust the Auto-Lock feature on your screen to the lowest setting that you find acceptable. This will cause your iPhone's display to switch off after a brief period of inactivity.

    You have the option to choose a time range between 30 seconds and never, but opting for a shorter duration will help conserve battery life by turning off the display when it's not required.


    If you want to maximize battery savings, disabling the Raise to Wake feature may be beneficial, although it could make certain features like Face ID less convenient. Raise to Wake is indeed a useful function, so it's advisable to utilize this as a last resort measure.

    For users running iOS 15, it is important to ensure that you have the latest version installed as Apple has continuously enhanced and refined the operating system since its initial release. Here's how you can verify:

  • Access the Settings menu.
  • Select General.
  • Tap on Software Update.
  • software up to date

    By doing this, your iPhone will inform you if your software is up to date or if a newer version is available.

    It is also essential to keep all your apps up to date, which you can easily accomplish through the App Store.

  • Launch the App Store.
  • Tap on your profile located in the upper right corner.
  • Swipe downwards to refresh everything.
  • Select Update All.
  • The update section of the App Store is also an effective tool for decluttering apps. If there is an update available for an app that you rarely use, simply swipe left on it and delete it immediately.

    App Store

    16. Avoid Closing Apps

    Many guides on conserving battery life suggest manually closing apps using the App Switcher to prevent them from running in the background. However, this practice does not actually save battery life and can potentially consume more battery power.

    Apps that are in the background are paused when not actively used and do not consume battery life. Closing an app completely removes it from your iPhone's RAM, thus requiring a reload when reopened, which can have a greater impact on battery usage.


    If you have numerous widgets on your Home Screen or in the Today View, they might be contributing to battery drain. Widgets that require regular updates, such as weather or geo-location widgets, may be worth considering for removal.

    Chapter 18: Say No to Google Chrome

    In certain circles, Google Chrome has garnered a notorious reputation for being a notorious battery guzzler. And according to varying opinions, not much has changed with iOS 15. If you often find yourself extensively browsing on Google Chrome and notice excessive battery drain, consider giving Safari a whirl instead. Apple's versatile browser has undergone enhancements to optimize its performance, which may result in faster browsing and less time spent in the process.

    delete widget

    It's generally advisable to stick with Apple's native apps rather than relying on third-party alternatives. Apple's code is usually fine-tuned to run more efficiently on its own hardware, although there might be exceptions in case of specific conflicts or issues.

    Chapter 19: Reboot Your Apple Watch

    Your Apple Watch, if paired with your iPhone, could be the culprit behind your battery drain troubles. Some watch apps or services might be engaging in more frequent communication with your iPhone, either for a legitimate reason or due to a software glitch. To minimize this possibility, it's recommended to uninstall any unused Apple Watch apps. If things are dire, you can always resort to resetting your Apple Watch to its factory default settings.

    ios14 and default chrome feature

    To initiate this process on your Apple Watch, navigate to Settings and select General -> Reset -> Erase All Content and Settings. (Find the same option at the bottom of the General menu in the iOS Watch app.)

    By undertaking this action, you will wipe clean your watch, erasing media, data, settings, messages, and more. After the process is complete, you'll need to reconnect your watch to your ‌iPhone‌, so keep in mind that this should only be seen as a last resort.

    Note that after a new pairing or update, it may take your watch a few days to adapt and learn from your usage patterns, eventually finding a harmonious balance between battery life and performance, which is hopefully reflected on your iPhone.

    reset apple watch

    Chapter 20: Reset Network Settings

    Some users have reported that resetting their iPhone's network settings can alleviate battery drain issues. It might be worth giving this a shot. Access network settings through Settings -> General -> Reset -> Reset Network Settings. This process won't delete any of your data, but you will be prompted to re-enter your Wi-Fi passwords.

    Chapter 21: Lay Your iPhone Face Down

    When an iPhone receives a message or any type of notification, its screen lights up momentarily to alert the user. This consumes unnecessary energy, but there is a simple way to prevent it.

    To avoid this energy drain, simply place your iPhone face down when you are not using it. The device will automatically detect this position and will not illuminate the display when notifications are received, thus saving battery life.

    erase network settings

    22. Deactivate Vibrations and Haptic Feedback

    Whenever your iPhone vibrates or provides haptic feedback, the Taptic Engine chip engages its physical motor. This utilizes more energy, so it may be beneficial to turn off these features if you can manage without them.

    iphone face down

    In Settings -> Sound & Haptics, you will find two primary vibration settings. You can try disabling Vibrate on Ring, Vibrate on Silent, or both to conserve power.

    Scrolling down to the bottom of this menu, you will come across System Haptics. By disabling this, you can eliminate system-wide haptic feedback.

    23. Disable Screen Time

    Some users have reported improved battery life after disabling Screen Time, Apple's personal usage monitoring feature. The reason behind this effect on battery life is not clear, but if you do not use Screen Time, there is no harm in turning it off.

    To disable Screen Time, navigate to Settings -> Screen Time, scroll to the bottom of the screen, and select Turn Off Screen Time.

    turn off vibrations

    24. Deactivate Fitness Tracking

    Your iPhone has a motion coprocessor that detects changes in the accelerometer, gyroscope, barometer, and compass. It utilizes these changes to measure and track your movement, elevation changes, and other fitness activities.

    Despite its energy efficiency, the motion coprocessor still consumes additional battery power when you are on the move. To disable it, go to Settings -> Privacy -> Motion & Fitness and toggle off the switch next to Fitness Tracking.

    screen time off

    25. Remove Case During Charging

    Charging your iPhone while it is in certain styles of cases can generate excess heat, which may impact battery capacity. If you notice your device getting hot while charging, it is advisable to remove it from the case before proceeding.

    26. Restart your iPhone

    Sometimes, an app may malfunction or a background process may behave abnormally, and the best solution is to restart your iPhone. If you have an iPhone 8 or later, follow these steps:

  • Press and release the Volume Up button.
  • Press and release the Volume Down button.
  • Press and hold the Side button until the Apple logo appears, then release the Side button.
  • motion fitness off

    For iPhone 7 or earlier models, follow these steps to restart:

  • Hold down the Volume Down button and the Sleep/Wake button simultaneously.
  • Keep holding until the screen goes dark and the Apple logo appears.
  • Release the buttons.
  • clear iphone case

    After the Apple logo appears, the iPhone will take a minute or so to restart.

    27. Restore your iPhone as New

    If you have exhausted all other options and are still experiencing significant battery drain, you can try restoring your iPhone and setting it up as new. This will eliminate any potential underlying problems, but note that starting from scratch can be quite cumbersome.

    Before proceeding, ensure that you have an iCloud backup.

  • If you are using a Mac with Catalina or later, open Finder. For Macs with Mojave or earlier, open iTunes. On a Windows machine, open iTunes.
  • Connect your iPhone to your computer.
  • If prompted, enter your device passcode or click "Trust This Computer".
  • Select your device from the sidebar in Finder or iTunes.
  • Click on the "Restore" button. If you are signed into Find My, you will be prompted to sign out.
  • Confirm the restore by clicking "Restore" again.
  • button basics iphone 11 pro

    After the restore process, you can set up your device as if it were new. You have the option to restore from your iCloud backup, but starting fresh is recommended to avoid any potential problems.

    28. Turn Off Significant Locations

    Significant Locations is a feature that tracks your frequently visited places and keeps a list of them. This data is collected in the background and may have a minor impact on battery life. Disabling this feature could prove beneficial. Note that Significant Locations powers certain personalized location services features in Maps, Do Not Disturb While Driving, CarPlay, Siri, Calendar, Photos, and more.

    To disable Significant Locations:

  • Open the Settings app.
  • Select Privacy.
  • Tap on Location Services.
  • Scroll to the bottom and tap on System Services.
  • Tap on Significant Locations in the list and authenticate using Face ID or Touch ID.
  • Toggle off the switch to disable it.
  • 29. Deactivate Analytics

    If you have enabled sharing your device analytics with Apple or third-party developers, it is possible that your battery life may be affected when this data is uploaded. Activating low power mode and restricting background usage should alleviate this issue. However, if you still wish to disable it, follow these steps:

  • Open the Settings app.
  • Tap on Privacy.
  • Scroll down to Analytics & Improvements.
  • Disable all of the analytics sharing options.
  • significant locations ios

    Other Suggestions

    There are numerous battery-saving tips and guides available online, and while some recommendations may be questionable, it may be worth considering certain options if you do not utilize certain features.

    It is important to utilize these tips judiciously, taking into account the aforementioned recommendations, as completely disabling every feature on your iPhone may not be the most desirable method for conserving battery.

    • Disable "Hey Siri" to prevent the iPhone from constantly listening for the wake word.
    • Turn off Siri completely.
    • Deactivate Siri Suggestions.
    • Turn off motion effects.
    • Disable AirDrop.
    • Utilize Safari content blockers.
    • Avoid using Live or Dynamic wallpapers.
    • Lower the volume.
    • Reduce the brightness level of the Flashlight feature in Control Center.
    • Consider disabling Location Services altogether (although this is not recommended).

    Guide Feedback

    If you have any additional battery-saving tips that we may have missed, questions about battery life, or feedback regarding this guide, please send us an email here.

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