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FIRMWARE DETAILS

iOS 17.7.2

Build: 21H221Nov 19, 2024Delta OTA
Stable

View details

Filename
0b885ede030bd7a24417fb63af48d765358c36d1.zip
File size
1.75 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
05c14604e1d616510f62fd05831f8e830f6adbaae141a3c261621c9fbc33f301
SHA-1
9e32f2e239157eb8cac6f80da9d46806e47ab867
Required starting builds
21D50, 21D61
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