How to set SMS ringtones for Android phones?

How to set the ringtone (incoming call, SMS, alarm) of Android mobile phone?

Set the ringtone:

Copy your ringtone to the SD card first, then enter the music player, listen to the ringtone just now, press the menu button, and click Set as ringtone, so that this ringtone will be set as incoming call ringtone. Go to Settings-Sound and Display-Ringtones, and you can see your own ringtone list to see if there are more ringtones.

Create ringtones (ringtones), alarms (alarm bells) and notifications (SMS notification ringtones) in the sd card directory. Put your ringtones for different purposes in different folders and your mobile phone will automatically find them.