UPDATE:
iPhone OS 3.0 Beta 5 is expiring around June 19th, 2009. Get iPhone OS 3.0 Official Release through iTunes.
As we have reported before, iPhone OS 3.0 Beta carries an expiration date. For those who has iPhone OS 3.0 Beta 3 still on their phone might have some purple shock today. As the software hits the expiration date, the iPhone displays purple screen with instructions to connect to iTunes. When connected, iTunes warned that the software has expired and must be updated to the newer version. In this state, the iPhone is rendered useless except for emergency calls. The most current version is iPhone OS 3.0 Beta 5 as of May 9th, 2009. Based on the expiration date of previous builds, iPhone OS 3.0 Beta 5 will expire on June 1st, 2009.