Nokia 6233
In exisiting contatact numbar add details not saving

Dear

I purchaed nokia 6233 2 month back, from last two days i am facing problem with my handset.whan i am try to add details (like numbar or email id) in already save exisiting number handset dosent save that number it will show error, also when i am try to copy or move my all contact from phone memory to sim memory it will copy 2 or three number out of 150 numbers. please send me solution on my emil id.

Omkar D.Satghare