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FIRMWARE DETAILS

iOS 17.6.1

Build: 21G93Aug 7, 2024Delta OTA
Stable

View details

Filename
ffe9e082aae8fda0ae6fdd565121455c80f98ec9.zip
File size
869.2 MB
File type
Delta OTA
Download host
updates.cdn-apple.com
Link availability
Not verified

Source reports active

Last link check
Not checked
SHA-256
7d4d7060753026c83ba9d89419f044e5ce8421393ea43493bb5b41699fb15921
SHA-1
6ef8dc7c90a532d796bb3ad6e98bfc9aae734b59
Required starting builds
21F101, 21F79, 21F90
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%3B21G93.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: 8a28e6d5071ff14eae9c5468f13f3b57