When you receive an SMS message on the iPhone, it is possible that the SMS sound, which sounds twice or several times when the message is received.
The reason for this is the option "Repeat notes" We will explain here how to deactivate the double SMS tone on the iPhone: "
Disable "Repeat messages" on the iPhone
- Open the settings
- First, continue to Messages --> Messages
- In this submenu you will now see "Repeat messages". Selects the entry and then sets the "Never" mark
If a new SMS message is received, the message sound will only sound once on the iPhone.
You now know the settings menu, where you can set the repetition frequency of the SMS sound.