Sync an iDevice apps with two Apple IDs [duplicate]

Possible Duplicate:
2 Apple IDs on one device?

I was planning on getting a new iPhone and I want to give my old one to my younger brother, both of us have different Apple ID. The question is, can I retain my old apps on the old iPhone while syncing/installing my brother's purchased apps in it?

Solution 1:

Yes, you can do that. I use two Apple IDs on my iPhone 4S.

It is not the most comfortable setup though: You must switch IDs in Settings>iTunes & App Stores. Just tap on your Apple ID and select Sign Out. Then log in with your brother's Apple ID.

I don't think the iPhone will pull the apps your brother bought when he signs in with his Apple ID. He will have to install them manually.