FIRMWARE DETAILS

iOS 17.1.2

Build: 21B101Nov 30, 2023Full OTA

Stable

View details

Filename: aaee1d1fcb97388455622901d20360a44fbc4bfc.zip
File size: 5.82 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: 11c1171f862402598d230bbeb865e4d57054d092f51549890fe0691d655e55b0
SHA-1: 5bf6287958686e961e3cf5f0925db24de8fca1b9
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 XR iPhone11,8

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