A firmware is an IPSW file that contains everything needed to run the core operating system of the respective device. Beta firmwares have also been released, but they require a valid Apple ID to acquire. To check for updates, iTunes/Finder/Apple Configurator/Apple Devices contacts https://s.mzstatic.com/version for iOS/iPod/Apple TV/HomePod mini IPSWs. There are different manifests for macOS IPSWs and bridgeOS IPSWs.
Firmware List (by device)[edit]
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See Also[edit]
- Beta Firmware
- Firmware Keys
- OTA Updates
- Beta OTA Updates
- RecoveryOSUpdates
- Rapid Security Responses
- Beta Rapid Security Responses
- Jailbreak
- SHSH
- VFDecrypt