How to "add existing frameworks" in Xcode 4?

xcode frameworks xcode4

As per Apple's documentation:

In the project navigator, selectyour project.
Select your target.
Select the "Build Phases" tab.
Open "Link Binaries With Libraries"expander.
Click the + button.
Select your framework.
(optional) Drag and drop the addedframework to the "Frameworks" group.

xcode frameworks xcode4

I just added the existing framework folder manually into the project navigator. Worked for me.

xcode frameworks xcode4

Follow below 5 steps to add framework in your project.

Click on Project Navigator.
Select Targets (Black arrow in the below image).
Select Build phases ( Blue arrow in the below image).
Click on + Button (Green arrow in below image).
Select your framework from list.

Framework

Here is the official Apple Link