Apple has just seeded the fourth beta version of iOS 6 (build 10A5376e) to developers of iOS Developer program.
Apple had seeded the first beta version of iOS 6 just after the WWDC keynote, the second beta version of iOS 6 on June 25th and third beta on July 16th.
As of now, iOS 6 beta 4 is available only via over-the-air update and also at iOS Dev Center.
iOS 6 beta 4 is available for the following iOS devices:
- iPhone 4S, iPhone 4, iPhone 3GS
- iPad 3 (the new iPad), iPad 2
- iPod touch 4G