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FIRMWARE DETAILS

iOS 17.6.1

Build: 21G101Aug 19, 2024Delta OTA
Stable

View details

Filename
e9e05cf086254a8bc500cef4ed111884f0fdefe7.zip
File size
3.87 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
31e8fcdbf712b7437c627badff28cf53ae1643fa1b43434b7ce23798b89b0f05
SHA-1
f7bb8c4d28e78051b2fa256148ca711e068e4707
Required starting builds
20B101, 20B110, 20B82
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%3B21G101.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: fa83dae98379e752d48badccb601c2fa