Have you ever tried to copy the contacts database from one S60 based phone to another? Perhaps using a PC suite or SyncML? Perhaps you have noticed that something was missing in the end?
contacts transfer stops exporting and importing contacts when the amount of contacts reached 2501... and not 'stoppin... More.
"Expiration July 20, 2009"
version 302u.sis stopped exporting contacts created from July 20, 2009 onwards, those contacts can not be imported a... More.
Get alternatives to Contacts Transfer
Export the contacts on your S60 phone to CSV format