FIRMWARE DETAILS

iOS 17.4.1

Build: 21E237Mar 27, 2024Restore IPSW

Stable

View details

Filename: iPhone16,2_17.4.1_21E237_Restore.ipsw
File size: 8.22 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: 14eb9492d54aaeadc17e663d3e23dd885b0c14e33fbb30d904f4d7e3952bb05f
SHA-1: 57593ba73244349a0dddca8eb02e68f5165d495d
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone 15 Pro Max iPhone16,2IPSW.me public API retrieval · Oct 23, 2026, 3:40 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/iPhone16%2C2?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: dba2260a71e6607ee7c8c393b7c3fd61