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How do I Change the Ringtone on my mobile device?
From the standby screen, press Menu (OK) key > Settings/Tools > Settings > Ringtones. Select from the following customizable options: Incoming Calls, Voicemail, Messages, and Alarm/Calendar. From each option, you can select Downloaded, Preloaded, or No Ringer. Press the OK key to select the ringtone. Select On or Off for the Power Up/Down and Battery Alert tone.