If you have an iPhone development question or just want to see if the same question has been asked before, there are several great iPhone development forums to check out.
• Apple iPhone Developer Forums:
These are the official forums provided by Apple. Somewhat sparse on content, it is the only official site where you can discuss topics related to SDK updates that are still under a Non-Disclosure Agreement (NDA). http://devforums.apple.com/
• iPhone Dev SDK forum:
This forum has been around since the iPhone SDK first went public. Bursting with content, it’s a great place to hunt for answers to your problems. http://www.iphonedevsdk.com/
• iPhone Dev Forums: This is similar to the last forum and similarly useful. If you hit a snag developing ...