Nokia phones provides number of codes for the extra functioning


1.pressing *#0000# in your mobile phone can be use to see your mobile detail including the mobile model number.

2.pressing *#92702689# leads to the visiblity of manufacture date,purchased date,serial number etc.

3.pressing *#5511# in nokia 1600,2600,etc leads to rotation of screen.*#5513#,*#5514# also rotates the screen

4.the rotated screen can be made default by pressing *#5512#