FIRMWARE DETAILS

iOS 17.4.1

Build: 21E237Mar 27, 2024Restore IPSW

Stable

View details

Filename: iPhone15,3_17.4.1_21E237_Restore.ipsw
File size: 7.96 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: 9a6e33084181773de72588c9d080a399ab777ff32c0f70c3190778d80d8082da
SHA-1: e1b5a0963ee15e759528c40b43296a0ca1e27f4c
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone 14 Pro Max iPhone15,3IPSW.me public API retrieval · Oct 20, 2026, 4:07 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%3B21E237.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: d26a9b7d51c911646168a6c1a25feb60

IPSW.mehttps://api.ipsw.me/v4/device/iPhone15%2C3?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: 22629770dd1f3e0c0b1a5f47f9c4007f