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FIRMWARE DETAILS

iOS 17.6.1

Build: 21G101Aug 19, 2024Delta OTA
Stable

View details

Filename
454168f6e67dc91c5d764644dc1ce4ef21237975.zip
File size
3.76 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
0008ed706b2a38f51ac9569f9d0ffb8fc4a982ad835575aece5819937246c9f1
SHA-1
3da492dd10b4fb321f62a2671910b1d96fae4a95
Required starting builds
20H115, 20H19, 20H30
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