Many owners iPhone si iPad they noticed that after the upgrade to iOS 10, something changed in sounds of notifications for Facebook Messenger si WhatsApp. After this upgrade, when we receive a message on Facebook Messenger or WhatsApp, iPhone notifies us with the sound we were used to for Facebook application notifications.
Quite annoying to many users because Messenger does not allow personalized sounds for new message notifications.
According to Facebook Inc., this issue is not Messenger and WhatsApp, it's a bug present on iOS 10.0.1 si iOS 10.0.2, which has not yet been resolved by Apple.
How to get back to Messenger and WhatsApp's old notification sounds after upgrading to iOS 10
The solution is very simple. First you need to make sure that you have sound notifications enabled for the two applications (Settings> Notification> Messenger), and iPhone or iPad is not in Silent / Vibrate mode.
Change sound notification Facebook Messenger and WhatsApp on iPhone / iPad with iOS 10
After you've made sure the sounds are on, with the iPhone turned on, simultaneously press and hold the "Sleep / Power Off" and "Home" buttons until the black screen with the Apple logo appears. The Apple. Release the two buttons and let the iPhone start.
Ask a friend to send you a message on Facebook Messenger or WhatsApp to check if the sounds have returned to normal.
We tested this method on several iPhone 6 devices, and the results were positive.