To customize a sonnerie mp3 open the Settings app on your device and go to Sounds and Vibrations. Once you have the ringtones listed, tap them to hear what each sounds like and select the one you want to use as your default tone. Once you have chosen the ringtone, press OK or save to save it.
Some phones, such as Samsung's Galaxy range of devices, include a number of preset ringtones that you can choose from. These can be useful when you need to quickly change the ringtone, but not everyone prefers them.
Another option is to create your own ringtones from songs you've downloaded in the past. There are a wide variety of programs that allow you to import up to 30 seconds of a song and then convert it into a ringtone. Some of these apps also come with other features, such as alarms and notification sounds.
Some phones, such as Samsung's Galaxy range of devices, include a number of preset ringtones that you can choose from. These can be useful when you need to quickly change the ringtone, but not everyone prefers them.
Another option is to create your own ringtones from songs you've downloaded in the past. There are a wide variety of programs that allow you to import up to 30 seconds of a song and then convert it into a ringtone. Some of these apps also come with other features, such as alarms and notification sounds.