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FIRMWARE DETAILS

iOS 17.6.1

Build: 21G93Aug 7, 2024Delta OTA
Stable

View details

Filename
cacc79db1084961f187c387af2a7b6b0d9e00e1d.zip
File size
4.76 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
3b319e4fc5f063e78fbcaf0f99a7704e0f973c5b6a5ae8ad1facf9535b179f4c
SHA-1
9d1d81159b55f2ee5a79ad4c9d078b095a71e006
Required starting builds
19C56, 19C63
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