Sony Xperia x10 was the best smartphone in 2011 but due to the invasion of dual core smartphones its popularity decreased.
The owners of xperia x10 don't be sad abt this development. Give your x10 a complete look of Sony xperia S and add all the features of sony xperia S so that your x10 gets a new life.
Xda developers have created a best rom the x10 which boosts its looks and performance. you can try this over here .