Apple has also seeded iOS 8.4 public beta 1 to beta testers with the same build number. Apple had released the first beta version of iOS 8.4 couple of weeks back, on April 13. Now released the second beta after like 2 weeks.
iOS 8.4 beta includes a revamped Music app with an all-new MiniPlayer. It is not clear what’s new in the second beta version of iOS 8.4.
OS 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
However, Jailbreak lovers should avoid upgrading to iOS 8.4 beta as you will not only end up losing the jailbreak, but you will also won’t be able to jailbreak your device. Security expert and hacker, Stefan Essar aka i0n1c, had published a video, which shows that he has managed to jailbreak iOS 8.4 beta 1.