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FIRMWARE DETAILS

iOS 17.4 beta 4

Build: 21E5209bFeb 20, 2024Delta OTA
Beta

View details

Filename
98041b2f4aca44865e7ecad3485ac70a0a55f7d7.zip
File size
479.9 MB
File type
Delta OTA
Download host
updates.cdn-apple.com
Link availability
Not verified

Source reports active

Last link check
Not checked
SHA-256
63f58b334d786ef85146043d2f17d5c01d965e0d8266b30e4fb64338324e7e02
SHA-1
d672508c542cf262941b5ec69e739ffee684ed2a
Required starting builds
21E5200d
Board restrictions
Not reported

OTA packages can require an exact starting build and board. A matching hardware identifier alone is not sufficient for installation.

Compatible hardware (1)

Unknown

Signing is specific to the device and file. A signed build does not guarantee a downgrade or successful installation.

Source provenance

AppleDBhttps://api.appledb.dev/ios/iOS%3B21E5209b.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: fe63c79b1c14a24f0f284bf400b7ab04