If somehow you have managed to pay only $15 for AT&T’s MEdia Net Unlimited to use with your iPhone 3G, enjoy while it lasts…

Boy Genius Report posted about this AT&T user who received an email from AT&T to kindly ask him to switch to a standard iPhone 3G plan.

Subject: Important information regarding your iPhone 3G

The new AT&T – Your world. Delivered.

Our service records indicate that you are using an iPhone 3G with a data plan designed for other devices.

To avoid unexpected data overage charges and enable Visual Voicemail, please contact your telecom manager, or an AT&T representative at 1-800-331-0500.

Thank you for choosing wireless from AT&T. We appreciate your business.

Sincerely,
AT&T Customer Service