How to import contacts from csv to Iphone 4S?

You need to import them through an application like Outlook (Windows) or Contacts (Mac)

Hi,

you can use this app to import your contacts from CSV file to your iPhone:

https://itunes.apple.com/us/app/contacts-in-import-csv-contacts/id549639443?mt=8

You can send CSV file to app via email attachment ot iTunes. More details:

http://csvcontacts.wordpress.com/user-instructions/

You can handle phone number types correctly ("mobile","work","home"), import birdthays from any date format and many more.