Samsung Vibrant SGH t959 was a Cell Phone one of Samsung Galaxy S series. It used 5 Megapixle Camera and the most important thing is the Operating System of Vibrant: Using Android 2.1 Enclair. Why it should be important to find out what the Operating System of Samsung Galaxy S Vibrant. It because of the Yahoo Messenger Client for different OS also use the different version of YM Mobile Client.
If you looking for Yahoo Messenger for Samsung Galaxy S Vibrant SGH t959, all you had to do just using the Yahoo Messenger for Android! That all you can do in best choice. For others alternative you can also use multiple IM Client for Android Cell Phone such as meebo for android, ebuddy for android and others.