This issue is only with Viber installed on Android devices. When people send normal SMS text messages (say iPhone to an Android phone), they show up in 2 places – your SMS app as well as in Viber. Here’s how to stop SMS texts showing up in both Viber and Android Messaging:
- Log into Viber on your Android device
- Click the Menu button then go to More Options
- Click Settings
- Deselect Free reply with Viber (When possible, use Viber for SMS replies)
- Back out of Viber (This will auto save your settings)
Next time you receive a SMS message, it would show up as a SMS only and not show up as a Viber message.