FIRMWARE DETAILS

iOS 17.5.1

Build: 21F90May 20, 2024Restore IPSW

Stable

View details

Filename: iPhone14,5_17.5.1_21F90_Restore.ipsw
File size: 7.89 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: 4bd80b30745f6a1d3238fd379e1dabaa05b43793c4d97f5d484f77fe3c817124
SHA-1: efa94ae702cd42ec9e228ef3a36fc9ed7a80fea6
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone 13 iPhone14,5IPSW.me public API retrieval · Oct 23, 2026, 12:24 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%2C5?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: 1c3ce60c615cfdd5c63082609918f690