If you are typing message, then sometimes you encounter a situation when you have to type two letters from the same key,that’s where you wait or you push the joystick to the right to continue with the pace,well its also time consuming and dangerous as joystick is quiet delicate and can be spoiled by this,
while typing keep your right index finger on volume + button and use it while typing two letters from the same key.
the + or – both can be used
both keys can be used to highlight the text.
This trick will work with Sony Ericsson handsets .