The new Android Oreo is smarter, faster and more secure than ever. It comes with a number of new features and improvements such as picture-in-picture and Autofill that allow you to navigate apps seamlessly. Plus, it offers a much better VoIP experience, letting you adjust the volume of a call even when the screen is off. The Volume Keys Smartphones have been able to make and receive VoIP calls for years, but only recently has more and more applications, such as Facebook Messenger and Whatsapp, also included this feature. However, if you regularly use VoIP calling services, you know that VoIP calls don’t work the same way as traditional calls made through your telephone carrier, and the volume keys don’t change the volume if you manually locked the device with the power button in the middle of a VoIP call.te With the new Android Oreo though, this problem has been solved.…
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