*#92702689# Displays - 1.Serial Number, 2.Date Made, 3.Purchase Date, 4.Date of last repair (0000 for no repairs), 5.Transfer User Data. To exit this mode you need to switch your phone off then on again
Nice one. I knew this before and since i cant remember the no. i save it in my phone book.
I use it in times when i have go out of my house to some place surfing websites and posting in digit forum. I keep it in that mode and whenever my wife tries to call it will say that the user is not reachable. Its much nicer than switching off or rejecting a call.
When i go back home I just say that the signal was not clear
