How to change the notification sounds in Facebook Messenger, Hangouts, Viber, and WhatsApp (Android tutorial)

The number of smartphone users who don't use an instant messaging service of some kind is probably one in a million. This should not com...

The number of smartphone users who don't use an instant messaging service of some kind is probably one in a million. This should not come as a surprise as IMs are superior to plain old texts in a number of ways – you can chat to your heart's desire with many people at once, you can easily add photos, sounds, and stickers to your messages, and you'd usually get a notification once your message reaches the recipient. 

However, there's one thing about IM services that's mighty annoying – pretty much nobody bothers to change their incoming message notification sound. That's ...

from PhoneArena http://bit.ly/2ETT2Zl