FIRMWARE DETAILS

iOS 17.1.2

Build: 21B101Nov 30, 2023Full OTA

Stable

View details

Filename: e63a8ac7a511065b0725cb9ec49169829ef9d8fa.zip
File size: 6.14 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: 227bf89d8724f550deb7164ec88937ad6709acee018b7c06d815f50ba4c01343
SHA-1: 4f295e30b7badcb00cdf14ba3f642817f39c7cf3
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)

iPhone 13 iPhone14,5

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