FIRMWARE DETAILS

iOS 17.1.2

Build: 21B101Nov 30, 2023Restore IPSW

Stable

View details

Filename: iPhone15,3_17.1.2_21B101_Restore.ipsw
File size: 7.98 GB
File type: Restore IPSW
Download host: updates.cdn-apple.com
Link availability: Not verified
Source reports active
Last link check: Not checked
SHA-256: 3b99b1a73982688a6e269568e015f26e9c7b95f074fbc6b14df00063d1a7810b
SHA-1: 3574efa0d3c796553fd81fece4ef9c6206472de8
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone 14 Pro Max iPhone15,3IPSW.me public API retrieval · Oct 21, 2026, 10:08 PM UTC

Unsigned

Signing is specific to the device and file. A signed build does not guarantee a downgrade or successful installation.

Source provenance

IPSW.mehttps://api.ipsw.me/v4/device/iPhone15%2C3?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: aef1a13ee8588aa39d72e9712f6b15cc

AppleDBhttps://api.appledb.dev/ios/iOS%3B21B101.json ↗

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