FIRMWARE DETAILS

iOS 17.5.1

Build: 21F90May 20, 2024Restore IPSW

Stable

View details

Filename: iPhone14,6_17.5.1_21F90_Restore.ipsw
File size: 7.68 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: 7ed003aa0d217fd16ee33dbc001e9c4cfb8ebb996e5d3f2ae25d3e4226cf65d4
SHA-1: 97707d2ee2945fa6ab7f4896ccdb418fdcdcce74
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone SE (3rd generation) iPhone14,6IPSW.me public API retrieval · Oct 23, 2026, 6:16 PM UTC

Unsigned

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%3B21F90.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: 1ae039bd01274135bfccfb7ce06a0234

IPSW.mehttps://api.ipsw.me/v4/device/iPhone14%2C6?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: aa88ad9ebe56e6e7a411b85882362fb4