How to use feature flags in Android 9 Pie

Google’s latest android version android Pie 9.0 has several new features such as Adaptive battery, Adaptive brightness, Digital wellbeing, App actions, overview selection, cutout Notch display, feature flags and more. But in this tutorial, I’ll show you how to enable and use feature flags in Android 9 Pie devices such as Pixel 3, Pixel 3 XL, Google Pixel, Pixel 2 XL and other supported devices.

This new added feature flags is already available on Google chrome browser. It will useful to back Oreo settings for given options such as battery display, Bluetooth while driving, about phone, and more. You can find this android 9 Pie’s feature flags under developer mode settings. This is hidden android 9 Pie feature. Follow below given step by step process to use feature flags in Android 9 Pie.

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How to enable and use feature flags in Android 9 Pie   

In android 9 Pie’s feature flags, you can see 7 commands for change settings of android Pie.  First of all make sure enable developer options in your android 9 Pie device to use this feature flags. You can enable developer mode using below given settings in your Pie.

Step 1: Swipe down notification shade and tap Settings gear icon

Step 2: Tap System

Step 3: Tap about phone

Step 4: Scroll down end of the page and tap Build number 7 times or tap until view “you are now developer! message on your android 9 Pie

Step 5: Now enable developer mode in your device

How to enable android 9 Pie’s feature flags

Step 1: Go to settings in your android 9 Pie

Step 2: Tap System

Advanced settings in android 9 Pie

Step 3: Tap Advanced

Android 9 Pie developer mode settings

Step 4: Scroll down at end of the page and tap Developer options

Here you can see several useful android Pie developer settings such as OEM unlocking, running services, USB debugging, logger buffer size, Windows animation scale, simulate secondary display and more.

Android 9 Pie’s feature flags

Step 5: Tap Feature flags under Debugging section

You can see below given list of options in android 9 Pie’s feature flags. By default disable only two feature flags, one is settings_bluetooth_while_driving and another settings_battery_display_app_list.

How to use feature flags in Android 9 Pie


It will change your android Pie device UI of about phone section.


When enable this option in your phone, it’ll automatically connect with your car Bluetooth or other accessories while driving.


Currently not found any change while turn on this option.


Same here you can’t found any change when set as true or false.


Now found any change when enable or disable features flags android 9 Pie.


It will add automatic time zone settings under date & time settings in your android 9 Pie devices.


You can see app usage battery since fully charge in the battery settings when enable feature flag on android Pie 9.0.

And that’s all. I hope this little tutorial useful to enable and use feature flags in Android 9 Pie. Do you know any other hidden android 9 Pie tips you want to share? Tell us in below comment box.

About Bestusefultips

I'm Arpit Patel, techno lover from India. Bestusefultips is a technology website focused on latest Android news, tricks & tips related android devices, tutorials and videos.

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