Apple periodically seeds beta versions of iOS to developers and beta testers. They may be delivered as IPSWs, as OTA updates, or both. To download and use this software legally, you must enroll in either the Apple Developer Program or the Apple Beta Software Program. The download links provided on the following pages link directly to Apple's servers. Some beta's were removed from the servers but download links are kept for archiving purposes.
Beta Firmware List (by device)
Older Apple TV firmwares have two different version and build numbers, which may lead to confusion when referencing them. Apple TV firmwares are sorted on The iPhone Wiki by its "marketing version."
The "Marketing"/"Displayed" columns are the version/build number reported on the Apple TV's "About" screen. The "Internal" column refers to the
ProductBuildVersion keys in the IPSW's