How to increase phonebook contacts memory?

nitindubeynikhil Posts 1 Registration date Saturday February 18, 2012 Status Member Last seen February 25, 2013 - Feb 25, 2013 at 12:16 PM
my chinese mobile VELL-COM R3850 doesnt have enough phone book memory,just 300 contacts can be added,plz help me,i have transfered my contacts from earlier nokia phone to this new phone's memory card but when trying to copy them into phone book memory it says cannot copy more than 300,help me