FIRMWARE DETAILS

iOS 17.7.2

Build: 21H221Nov 19, 2024Delta OTA

Stable

View details

Filename: c458a8f59d88f0a8618a87466672800c4d8af1af.zip
File size: 4.78 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: bccc47983ddc3383a69eab3b9cfdda9c216b9f524be312166c87a76fd20a2aa9
SHA-1: ceb4863c2ca2704292320882395f72dec9125df2
Required starting builds: 19F77, 19G71, 19G82
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)

iPhone 12 Pro iPhone13,3

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