How to Change Message Tone on Samsung Galaxy Phone - TechWiser
Loud Notification SMS Ringtone for Android - Download
YellowTwigs - Tip of the day: notification tones Along with the specific notification “pop-ups” that Knock In Notifications generates for Whatsapp, SMS and email messages received from your VIP contacts, the application
This tweak lets you customize your third-party notification sounds
How To Set A Unique Notification Tone For Each WhatsApp Contact - Techzim