FIRMWARE DETAILS
iOS 17.7.1
Build:
21H216Oct 28, 2024Delta OTARelease CandidateStable
View details
- Filename
cccb350455e7dc8694fd52c9bb1a3d8aaef24ab3.zip- File size
- 3.80 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
0689ec5bc960b0be6204b0e49d3b087c0d0bac36d41b79205be233a0c51db8bf- SHA-1
7015c92e7947c5b22f4e8e6176285e69c205162f- 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)
iPhone 13 Pro
UnknowniPhone14,2Signing 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