How do you export Gmail contacts from computer to Gmail on iphone?

Watch the Video Demo : YouTube.com/watch?v=0VQL2tuIIM0">http://www.YouTube.com/watch?v=0VQL2tuIIM0

iphone Contacts Backup (Mac+PC): Backup, Transfer, Restore and Manage your iphone Contacts & Messages effortlessly
http://www.kinglue.com/mac/iphone-contacts-sms-backup/

With iphone Contacts Backup, you can easily export your iphone contacts to CSV and vCard files as you like. The CSV and vCard contacts can be imported to Gmail, Apple Address Book, Yahoo Mail, etc.

This video tutorial covers:
1. Export contacts from iphone to CSV files.
2. Import the CSV files to google.

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MobileGo for iOS (Windows) - http://www.iphone-manager.com/

As an Apple devices manager, it enables you to manage iOS devices at ease. It can help you to transfer songs, videos, playlists, iTunes U, Podcasts to iTunes/PC and manage photos.