FIRMWARE DETAILS

iOS 17.1.2

Build: 21B101Nov 30, 2023Full OTA

Stable

View details

Filename: d57611b8bf0b6f81ec62ff17a5fa5e4e511c2d3e.zip
File size: 6.36 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: b2983802168680a6c00d206ac61a5951732d18cdf9e90db4eb1d9f8afbbf5064
SHA-1: 50d8b53af89a007d3fc343c5bc0c05f4a7fa4bc1
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 14 Pro iPhone15,2

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