firmwarehub.
العربية
FIRMWARE DETAILS

iOS 17.5.1

Build: 21F90May 20, 2024Restore IPSW
Stable

View details

Filename
iPhone12,3,iPhone12,5_17.5.1_21F90_Restore.ipsw
File size
7.65 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
29b2bbf7ccce75d7f0bc60c9c4c7459559f4abf3012c0e0b080ec293187da14d
SHA-1
2fbce635c008dd3ecffffd583dd92a44c23d9b98
Required starting builds
Not reported
Board restrictions
Not reported

Compatible hardware (2)

iPhone 11 Pro iPhone12,3IPSW.me v4 third-party restore observation (retrieval time) · Oct 19, 2026, 10:59 PM UTC
Unknown
iPhone 11 Pro Max iPhone12,5IPSW.me v4 third-party restore observation (retrieval time) · Oct 19, 2026, 10:59 PM UTC
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%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/iPhone12%2C3?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: e5dcc3d7c012f8ea492889e3f033bebe

IPSW.mehttps://api.ipsw.me/v4/device/iPhone12%2C5?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: 0aecba9875cf097f1983bd2002161656