Treo 650 keyboard stuck

Sure. This involves taking the phone apart. Fortunately, it isn't difficult. Go to "mytreo.net, and find the BUZZ FIX. It will give you instructions with photos of how to open your 600 and perform the BUZZ FIX. Do that while you have the phone open. You will disconnect the battery in that process. Carefully lift the board that the battery is mounted on and this will expose the KEYPAD. Remove it, clean the keypad, and the pressure contacts below it -- carefully with a Q-tip and a little water and perhaps a little alcohol. Put the keypad back in place. Put the board back in place. Reconnect the battery after performing the BUZZ FIX (you may as well do it while you have the unit apart because you will have the buzz sooner or later). Put the case back together. Tighten the screws. Turn the unit on and make a call. If it doesn't work then you are in trouble.