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FIRMWARE DETAILS

iOS 17.1.2

Build: 21B101Nov 30, 2023Full OTA
Stable

View details

Filename
dd27270bea850ef8a5f0c45356a38e5b09c7ba8c.zip
File size
6.19 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
50df69ccae4e1036624a677666c42975ca32b5aca37a8a36726ed86d44b55dcc
SHA-1
1bb5f1a54bb1225feea237a5b6824e1e102c464f
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