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FIRMWARE DETAILS

iOS 17.6.1

Build: 21G93Aug 7, 2024Delta OTA
Stable

View details

Filename
a46bbb8506293fad4a28f32f00f7f2c85e9df296.zip
File size
4.53 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
917b58a0325d3cf724c85944a50d808f5ef4b93bbf1019bee48f54737a20e473
SHA-1
99071a9846d7c6896c5fa2cf76601ef56556471c
Required starting builds
19D50, 19D52, 19E241, 19E258
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