Get Better Battery Life on Android Without Root Using This App
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If there’s one thing every smartphone user can agree on, it’s that we want better battery life.

Fortunately, it’s becoming more achievable than ever. One of the best root apps for getting longer battery life on Android, called Naptime, is now available for every device running Marshmallow or later — even on phones that aren’t rooted. It can extend your time between charges by hours. Let’s take a look.

Download: Naptime (Free)

Doze and Naptime

Android introduced a new feature in Marshmallow, subsequently refined in Nougat and Oreo How to Install Android Oreo Right Now How to Install Android Oreo Right Now Want to upgrade your Pixel or Nexus device to Android Oreo right now? Here's how you can do so and skip the rollout wait. Read More , aimed at extending the battery life of all phones and tablets. It’s called Doze, and it works by cutting power consumption whenever you aren’t using the device.

Doze is a great idea, but it has limitations in the way that it has been implemented. One is that there’s no way to configure it. The other is that it only works under certain conditions.

doze android battery

You might think your phone isn’t in use when it’s sitting in your pocket with the screen turned off. But, in fact, the device’s sensor would still detect motion, and this prevents Doze from kicking in. As a result Doze only really works when your phone is sitting on a desk untouched for at least half an hour.

“Super Doze”

Both of these limitations are addressed from the developer of one of Android’s most popular custom kernels Why You Should Consider Using A Custom Android Kernel Why You Should Consider Using A Custom Android Kernel Do you want the best performance out of your Android device? Or maybe you want the best battery life? Consider a custom kernel. Read More .

Naptime is described as “Super Doze,” and is much more aggressive in initiating the battery savings. By default, it sets Doze to activate five seconds after you turn the screen off. And it comes with a full set of configuration options, including the ability to whitelist apps to ensure those that are intended to run in the background don’t get disrupted.

naptime android battery

Until recently, Naptime was only available for rooted phones. We listed it among the best root options 5 Advanced Ways to Improve Battery Life on Android 5 Advanced Ways to Improve Battery Life on Android If you've got a rooted Android device (or you're willing to root it), and you want better battery life, we can help you out. Read More for extending battery life. But now it works on non-rooted devices as well, although it does still require a bit of extra legwork to get it set up.

Set Up Naptime Without Root

Setting up Naptime on a phone that isn’t rooted requires you to activate a couple of settings in Android, via the ADB app. ADB is a part of the Android SDK that enables you to access and tweak system files directly. Read our full guide to using ADB How to Use ADB and Fastboot on Android (and Why You Should) How to Use ADB and Fastboot on Android (and Why You Should) Learning to master ADB and Fastboot can make your Android experience a whole lot better. Read More if you want to know more.

To get started, download the SDK Platform-Tools from here. There are versions for Windows, Mac, and Linux. Unzip the folder when it’s done.

dev options android battery

On your phone go to Settings > About phone, then tap Build number seven times to enable the Developer options. Now hit the Back button and go to Developer options > Enable USB debugging, then tap OK.

Connect your phone to your computer with a USB cable. The next steps differ depending on whether you’re using Windows, Mac, or Linux.

On Windows

  1. Open the platform-tools folder you downloaded and extracted.
  2. Shift + Right-click inside the folder and select Open Command window here, or Open PowerShell here.
  3. In the window that opens, type (or copy and paste) adb -d shell pm grant com.franco.doze android.permission.DUMP and hit Enter.
  4. Next, type adb -d shell pm grant com.franco.doze android.permission.WRITE_SECURE_SETTINGS and hit Enter.
  5. You can now disconnect your phone, and should be able to launch Naptime.

On Mac and Linux

  1. Locate the platform-tools folder you downloaded and extracted.
  2. Open the Terminal app on your computer. In the window that opens, type cd[space] then drag the platform-tools folder into the Terminal window. This should fill in the path to the folder, so it should now say cd [path to platform-tool folder]. Hit Enter.
  3. Now type (or copy and paste) ./adb -d shell pm grant com.franco.doze android.permission.DUMP and hit Enter.
  4. Next, type ./adb -d shell pm grant com.franco.doze android.permission.WRITE_SECURE_SETTINGS and hit Enter.
  5. You can now disconnect your phone, and should be able to launch Naptime.

Set Up Naptime With Root

If you’re reading this and do have a rooted phone, activating Naptime is as simple as launching the app and then granting root access when prompted. It should work on all rooted phones running Marshmallow or later, and it also works with the excellent Magisk rooting method This Is the Best Way to Root Your Android Device This Is the Best Way to Root Your Android Device If you want to root your Android phone or tablet, this is the best way to do it. It bypasses restrictions that other root methods don't. Read More .

Configure Naptime for Better Battery Life

The Naptime interface is split into two main sections. There’s the basic Options panel at the top, and the very detailed Advanced Settings at the bottom. This is hidden by default, and you don’t really need to use it.

naptime options android battery

The Aggressive Doze setting is where the action happens. This activates Doze just five seconds after you turn the screen off, instead of the usual 30 minutes. Below that are three further options to tweak. All three are set to Off by default.

  • Re-apply Doze after wakeups: Activate this for more aggressive battery savings. It’s off by default to minimize disruption to apps that do need to work in the background.
  • Disable motion detection during Doze: Shuts down the sensors when the screen’s off. This would interrupt things like a step counter, or a lift-to-wake gesture.
  • Disable aggressive Doze when charging: Determines whether Naptime should continue functioning when the device is charging.

Next, there are two further options to look at below.

optimize doze android battery

Apps whitelist for sensors usage during Doze allows you to select a single app (Android limits it to one) that can continue using the phone’s sensor when Doze is active. A pedometer app would be ideal for this option.

Battery optimization takes you to the equivalent screen within the Android Settings. This effectively functions as a full whitelist. Apps that are marked as Not optimized are able to bypass Doze, so any that you want running in the background while the screen’s off (e.g. music apps) can be added here.

Tap Not optimized then select All apps. Select the app you want to change, followed by Don’t optimize > Done.

Exploring the Advanced Settings

If you don’t want to use the Aggressive Doze option, you can disable it and tweak the Advanced Settings instead. These change the built-in Doze settings directly. There are 26 to choose from, and tapping the i alongside each one offers an explanation of what they do. This is for advanced users only. For most, the Aggressive Doze mode will be the best.

Other Battery Saving Tips

Naptime can have a big effect in reducing battery drain when you aren’t actively using your phone. It’s part of a whole raft of techniques for getting longer battery life, including:

Have you tried Naptime? What are your experiences with it? Do you have any other tips for getting longer battery life? Head down to the comments to share your thoughts.

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  1. Emeka
    December 5, 2017 at 11:49 am

    Please i have a question that is a little bit off topic, I want to ask, how do i disable or totally stop pop up ads on my android 6 phone...Its soo soo annoying,besides im using microsoft launcher and this pop ads thing started recently.
    Thanks

  2. Zhong
    October 15, 2017 at 12:17 am

    Since almost all battery uses lithium technology, what are the factors in buying a phone since benchmarks probably doesn't reflect real life scenario.

  3. Minion
    October 12, 2017 at 6:12 am

    Good article from privacy point of view. But disabling these services? Why not just go back to pen and paper or buy a Nokia 3110.

  4. GLK
    October 11, 2017 at 7:44 pm

    Would not work on Samsung S8+. Copied first command from article and got this error message: adb : The term 'adb' is not recognized as the name of a cmdlet, function, script file, or operable program. Check the
    spelling of the name, or if a path was included, verify that the path is correct and try again.
    At line:1 char:1
    + adb -d shell pm grant com.franco.doze android.permission.DUMP
    + ~~~
    + CategoryInfo : ObjectNotFound: (adb:String) [], CommandNotFoundException
    + FullyQualifiedErrorId : CommandNotFoundException

    • Mark
      October 12, 2017 at 3:25 pm

      That's not an error with the phone. It looks like you're using Powershell. It won't execute files without specifying the current directory, so you need to prefix the "adb" part with ".\" - (so it reads ".\adb -d shell pm blah blah")

    • Simon Davis
      October 12, 2017 at 4:28 pm

      I received this error when using a Command prompt (my phone was plugged in and in USB debug mode.

      error: device unauthorised
      The adb server's $ADB_VENDOR_KEYS is not set
      Try 'abd kill-server' if that seems wrong.

  5. UNZ
    October 11, 2017 at 4:32 pm

    This won't help if you have a phone filled with self, carrier, or manufacturer installed crapware. You should just avoid the following and won't need a special app with ads to have good battery life:
    1. Avoid buying phones that have heavy modifications to the operating system or have their own skin, ui, apps, etc. Stick with Google Pixel, Nexus, OnePlus, or vanilla Android phones. You can get older new and used for fairly cheap. They get updates, bug fixes, and security patches faster than any other phones and for longer periods of time.
    2. Avoid cheap phones from cell service providers.
    3. Avoid installing random/weird apps that you don't need, will use only once, you can use a browser for instead, or that duplicate features of apps that come built in. Example: installing an different text messaging, calendar, email, or note taking apps when there are apps for this that come with the phone or that Google has provided. If your phone didn't come with Google apps then you should disable the built in apps and replace them with the Google versions from the Play Store. They work better and get updated to fix bugs and security issues much faster.
    4. Avoid installing apps that need a huge amount of unnecessary permissions especially ones that can keep the phone awake and have full network access.
    5. Avoid apps with excessive ads. Ad frameworks can have malicious code or backdoors (even if the app itself may not).

    I have a Google Pixel that I use as personal and work phone and it can last me up to 2 days on one charge depending on usage. I get a whole full day and even through the night with heavy use. Most of the apps I have installed are made by Google and I have a dozens of other apps from legit developers.