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FIRMWARE DETAILS

iOS 17.7.1

Build: 21H216Oct 28, 2024Full OTA
Release CandidateStable

View details

Filename
b62597b43b3952a24e374e88f4cdb38e14523fc9.zip
File size
6.28 GB
File type
Full OTA
Download host
updates.cdn-apple.com
Link availability
Not verified

Source reports active

Last link check
Not checked
SHA-256
7d82e2394abb844745304271f86ceccaf24e65bfa6e6f86dc30f603d9373eff2
SHA-1
98fa3e47d7d2c5fe8f9b97da1ea21e6639ab88de
Required starting builds
Not reported
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 (2)

iPhone 12 iPhone13,2
Unknown
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%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