how to disable duplicate MMS messages notification in Contacts+

Contacts+ – a beautiful, simple and smart address book app,  all people related information and services are brought together into your mobile contacts.

1. It redesigned your address book to be simple, smart & stunning
2. Quick actions, Smart prioritization, easy search & more.
3. Your favorite services (Facebook, Twitter, Linkedin, Google+ & more) are integrated to your contacts address book

It is a great contact app for Android users, but sometimes, users will meet the problem of get duplicate notification for MMS messages  or picture messages, It is very annoying thing, how to disable duplicate MMS messages notification in your Contacts+ app, keep reading the following contents:

Due to some Android OS issues,  the app “Contacts+” relay on your “stock” messaging app to receive MMS messages in your phone.

In case you get duplicate notifications for MMS messages (both in Contacts+ and in your stock messaging app), you can handle it by entering your “stock” messaging app >> settings >> turn OFF the  “notifications” checkbox.