Apple has just released the beta 2 version of iOS 7 for iPhone, iPad and iPod touch for developers only.
The update contains bug fixes and improvements for the next major update of Apple’s iOS software. The beta 2 of iOS 7 can be installed by all developers directly from their device with the previous beta of iOS 7, or from Apple’s developer portal. Upgrading OTA directly from your device weighs 237 Mb and 206 Mb for iPhone 5 and iPhone 4S respectively.
The build version is 11A4400f and for the first time iOS beta 7 is also available for fifth-generation iPod Touch, iPad (third and fourth generation) and iPad Mini.