1. First open the memory card disk of Sony xperia z2 mobile phone, create a "Media" folder in it, and then create an "Audio" folder after opening it.
2. After opening the Audio folder, create ringtones (incoming calls), notifications (short messages), alarm clocks (alarm clocks) and ui (system prompts) in it.
3. Then store the ringtones in these folders according to your own needs. Then restart the phone.
4. Turn on the phone, and you can choose from Menu-Settings-Sound.