Hai there!! if any need need to find out serial number, life time and purchase date,repair date,of Nokia mobile phone , you have to dial *#92702689#
and if any one need to check model of Nokia mobile, he should type *#0000#
and if any one want to rotate mobile screen he should type *#5514#, or*#5512# or *#5513#,and if want want screen normal then type *#5511# but remember these codes only work for Nokia models 7610,1209,1202,1208,1650,1600,2310, as show
