How to put ringtones on Blackerry curve 8900, you can full length songs as ringtones, just put them on Blackerry curve media cards. Your Blackberry can play them from your memory card. What you do is when you are in choosing the ringtone. Hit the options key (right of the send key) and select “Explore” Then from there navigate to your blackberry folders and look for your music folder on the memory card. From there you can select your MP3s as ringtones. 

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