If you are having problems with your iPhone 4 signal, Apple has launched a website where you can learn how to obtain the "bumper or case" as a work around for the antenna issue that some people with the iPhone 4 are experiencing.

Follow these steps to apply for a Bumper or case.

1. Download the iPhone 4 Case Program app from the App Store.
2. Launch the app on your iPhone 4 and sign in using your iTunes Store account or Apple ID.
3. Select your Bumper or case.

For iPhone 4 purchases made before July 23, 2010, you must apply no later than August 22, 2010; otherwise, you must apply within 30 days of your iPhone 4 purchase. To qualify for this program, you must purchase your iPhone 4 by September 30, 2010.

You can find the website HERE.