How To Install iOS 8 Beta On Your iPhone, iPod Touch, iPad

As a member of the Apple Beta Software Program, you’ll be able to enroll your devices to access the betas and try out the latest features. You can provide feedback directly to Apple using the Feedback Assistant app.

Download the latest beta ipsw file for iPhone, iPad, Mac, Apple Vision Pro, and Apple TV. Check the signing status of iOS beta.

Download current and previous versions of Apple's iOS, iPadOS, macOS, watchOS, tvOS, audioOS and visionOS firmware and receive notifications when new firmwares are released.

相信大多數的人應該都不是開發者，所以這裡為大家介紹一般用戶也能安裝 iOS 8 beta 版的方式，但請注意，由於現在還是第一個版本的 beta ，因此 bug 很多，不建議任意升級。

This is a list of all beta firmware for iPhone on iOS 8.x. For more iPhone beta firmware, see Beta Firmware/iPhone. For all firmware, see Firmware.

After several months of beta testing, Apple has released iOS 8 to the public on September 17, 2014. This update, available over-the-air or via iTunes is a massive upgrade for iPhone, iPad, and iPod touch users.