Recently Gmail rolled out a new interface for all it’s users, however, unlike earlier, they haven’t provided a prominent option for users to switch back to the Old Gmail contact manager or interface.
Also See: How To Switch Back to Old Gmail Interface
The new interface includes an enhanced contact manager and some enhanced visual changes. However, change does not go down very well with many people, and unlike other email providers, Gmail does provide an easy way to switch back to the older interface.
In order to switch back to the old Gmail contact manager interface or completely get rid of the new Gmail contact manager, scroll down to the bottom of the Gmail webpage and click on the "older contact manager" link to switch back to the old Gmail contact manager.
Yes, it was as simple as that. So if you had problems with the new Gmail contact manager click the link and you will be taken back to what you like. Have fun.