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FIRMWARE DETAILS

iOS 17.1.2

Build: 21B101Nov 30, 2023Full OTA
Stable

View details

Filename
0fc25a287a1b93657889cef36da5c7d65291974a.zip
File size
6.26 GB
File type
Full OTA
Download host
updates.cdn-apple.com
Link availability
Not verified

Source reports active

Last link check
Not checked
SHA-256
09c3b35dd7e581ab3596e64787bcefa52e6519b1c496b1b431963784fcbcc376
SHA-1
9933dfd6535c29b5c71106a2f366543fae7ca587
Required starting builds
Not reported
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%3B21B101.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: 4f30a5cce34598c7be862eafa91e271b