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FIRMWARE DETAILS

iOS 17.7.2

Build: 21H221Nov 19, 2024Delta OTA
Stable

View details

Filename
e4bfd0106d55d49ab1295665a59eb1dd5e4f7070.zip
File size
3.73 GB
File type
Delta OTA
Download host
updates.cdn-apple.com
Link availability
Not verified

Source reports active

Last link check
Not checked
SHA-256
269df3fc061a7dd58b9473a65a67d2ba93c9ebd830c61e2a4b0d2757c682f9ed
SHA-1
76a4df45bd6e756c0764b129c185ccf6d0df8216
Required starting builds
20E247, 20E252
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%3B21H221.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:27 PM UTC
Record fingerprint: 346e1c45f7ddd8916eb8bb86f371980e