FIRMWARE DETAILS

iOS 17.4.1

Build: 21E237Mar 27, 2024Restore IPSW

Stable

View details

Filename: iPhone13,4_17.4.1_21E237_Restore.ipsw
File size: 7.84 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: ea78babf5c619edc80a745c2d73244296bd8c2546586d3f983ca2c6013bf9cc2
SHA-1: 60dd850dfa8e8c01301a43543b8f6398d9277aa2
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone 12 Pro Max iPhone13,4IPSW.me public API retrieval · Oct 22, 2026, 5:31 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%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/iPhone13%2C4?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: 05cbfd2426c196be0fc404bcfa08c346