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FIRMWARE DETAILS

iOS 17.7.1

Build: 21H216Oct 28, 2024Delta OTA
Release CandidateStable

View details

Filename
8c4c019343e3da02303786889ee4eea03c15e5bd.zip
File size
4.82 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
bcf73fa2f1aa4fa4d41ee1b48668aa4ea87915002c037f858c889a7323ffe844
SHA-1
9dab1bc6c9d2e9458b7d5f3324fe732792710040
Required starting builds
19H117, 19H12, 19H218
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 13 Pro iPhone14,2
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%3B21H216-RC.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:27 PM UTC
Record fingerprint: e81d7c9fd3ed4ef3917cac95ad2b8b45

AppleDBhttps://api.appledb.dev/ios/iOS%3B21H216.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:27 PM UTC
Record fingerprint: 8bcbb794adc258f42e682d442c6740ea