FIRMWARE DETAILS

iOS 17.5.1

Build: 21F90May 20, 2024Restore IPSW

Stable

View details

Filename: iPhone14,8_17.5.1_21F90_Restore.ipsw
File size: 7.94 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: 97f6c67e8b4d47228f2d5377ffc014250fd70838b1ae310c37f3a5a8f94b3155
SHA-1: b44074dcc34ee89a0fa741a58af36156f90ea4da
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone 14 Plus iPhone14,8IPSW.me public API retrieval · Oct 21, 2026, 12:55 AM 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%2C8?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: ee0decba22cacd96d7840b98297055ba