This can be done through Settings > General > Software Update. The OTA download weighs in between 160MB and 240MB, depending on the device that iOS 7 is installed on. Downloading the update is quite fast, but many who are installing the update currently find that it sits on “Preparing Update…” for quite a while, with a very slow moving progress bar. Once that is finished, tap on “Install Update” to proceed with the actual installation, where a “Verifying Update” message appears before the device reboots with a new progress bar, before launching into the second beta. . Apple has finally seeding iOS 7 beta 2 IPSW download. The company unveiled its latest and greatest iOS update a couple of weeks back at Worldwide Developers Conference 2013.. The second beta of iOS 7 is now available to download for registered developers. Arriving as build 11A4400F, this update includes many bug fixes and improvements to the beta release, and is available for iPhone 4, iPhone 4S, iPhone 5, iPod touch 5th gen, iPad 2, iPad 3, iPad 4, and iPad Mini..