Google Dialer shows a floating bubble whenever you minimize a call window.
The floating bubble allows you to end and mute the ongoing call.
It also offers you an option to turn on the loudspeaker.

While Google Dialers floating bubble feature is useful, its not compatible with the older versions of Android.
Here are the two best methods to enable Google Dialers floating bubble feature on Android.
First of all, kick off the File Manager and navigate to this path:
/data/data/com.google.android.dialer/shared_prefs
2.

Now, on the shared_prefs folder, you will find several .xml files.
Find and open thedialer_phenotype_flags.xmlfile.
Now find theG_enable_return_to_call_bubbleand change its value from False toTrue.

Once done, save the file.
Now start your Android rig.
Google Dialer will now show the floating bubble on your next call.

So, if your smartphone runs Android 6.0 or above, follow the simple steps below.
First,uninstall the Google Dialer appfrom your Android smartphone.
you should probably uninstall the app only if you have previously installed any outdated Google Dialer.

Now, download and load the Google Phone Patched from here.
Before installing, enable theUnknown SourcesthroughSettings > Security.
Next, head toSettings > Apps.

Find the optionPhone appand then choose the Google Dialer app.
Now again, go toSettings > Apps > Phone Appand fire up the Draw over other apps option.
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