In a nokia 6681 * # and 9 keys are not working but when idle the keys are automatically pressed and displayed over the whole screen in the foollowing way:
*#9*#9*#9*#9*#9*#9*#9*#9*#9*#9*#9*#9*#9*#9*#9*#9*# 9
*#9*#9*#9*#9*#9*#9*#9*#9*#9*#9.

Any idea anybody?? Plz help me .. Its urgent