FIRMWARE DETAILS

iOS 17.3.1

Build: 21D61Feb 8, 2024Restore IPSW

Stable

View details

Filename: iPhone14,4_17.3.1_21D61_Restore.ipsw
File size: 7.74 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: e51a9d0fea0b3426a1f315279fd599c31d0059e34a127e1ff317d606695e1213
SHA-1: f67eb162ea158d4248c7fb9ca2ee007f7b3e8742
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone 13 mini iPhone14,4IPSW.me public API retrieval · Oct 21, 2026, 9:14 AM 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/iPhone14%2C4?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: 2b43d91a45c0c2a44baf26455b7c4b16

AppleDBhttps://api.appledb.dev/ios/iOS%3B21D61.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: caa4c3b8f1108221a1cf4826799a13ca