How to set the Samsung s4 SMS ringtone? Why is it set to show success or whistle?

According to your description, please follow the following steps to set the ringtone of SMS:

1. If you want to set the phone's built-in ringtone as SMS ringtone, please do the following:

Information-Menu Key-Notification Information Settings-Select Ringtone

2. If you want to set your downloaded ringtone as SMS ringtone, please follow the following steps:

Please create a new notification folder in the SD card, and then put the songs in this folder. After putting it in, operate: information-menu key-notification information setting-select ringtone.

Information vibration: information-menu key (left key)-notification information Set vibration check box.

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