This is a happy news for you Apple has seeded iOS 8.4 beta 2, this software build number 12H4086d and registered for iPhone, iPad, iPod touch developers. This iOS 8.4 beta version includes a music apps (revamped music apps)
iOS 8.4 beta 2 is compatible with the following iOS devices:
• iPhone 4S, iPhone 5, iPhone 5c, iPhone 5s, iPhone 6, iPhone 6 Plus
• iPad Air 2, iPad mini 3, iPad 2, iPad (third-generation), iPad (fourth-generation), iPad Air, iPad mini, iPad mini with Retina display
• iPod touch 5G
This beta of iOS 8.4 is also live for members of Apple’s public beta program. Along with the new beta of iOS 8.4, Apple today posted Xcode 6.4 beta 2, build 6E14, which bundles both the iOS 8.4 beta 2 SDK and OS X v10.10 SDK.
Moreover, a second beta of OS X 10.10.4 is available to developers. Finally, alongside the new OS X Yosemite 10.10.4 beta 2, Apple also launched the first public beta version of OS X 10.10.4.
Jailbreakers ought to abstain from moving up to iOS 8.4 beta as you won’t just wind up losing the jailbreak, however you will likewise won’t have the capacity to jailbreak your gadget. Security master and programmer, Stefan Essar otherwise known as i0n1c, had distributed a feature, which demonstrates that he has figured out how to jailbreak iOS 8.4 beta 1.
iOS 8.4 beta 1 Jailbreak Preview