This data cable is not for the palm pre. I've had other non-oem data cable for over a year that works with excellence. Using this data cable not only do not work, but caused the ones I were using with excellence before not to work nor charge my phone now after using this cable as a data cable on my computer.  Now the only DATA CABLE that charges & receive data is the original data cable. All is not lost with my old cables, my wife phone was spared from this destructive cable.  The only thing professional about this cable is that it's destructive.  I done this to my phone as I read other bad reviews about this cable, I wanted to find out for myself & I found out alright the hard way.  Learn from me & others stay away from this product. I would give it a zero if it was possible.  WBJ