FIRMWARE DETAILS

iOS 26.4.2

Build: 23E261Apr 22, 2026Restore IPSW

Stable

View details

Filename: iPhone18,1_26.4.2_23E261_Restore.ipsw
File size: 11.32 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: fd003301bd81cfb7dbd1324b5814a9acb4d6d68ea7aec6c2153ecd5e1ef587fe
SHA-1: 7dba890d87a77a28f1170e45eb815a57213dca91
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone 17 Pro iPhone18,1IPSW.me public API retrieval · Oct 20, 2026, 11:44 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%3B23E261.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:25 PM UTC
Record fingerprint: e2c6b4d70a03d2c34df5f419214a28f1

IPSW.mehttps://api.ipsw.me/v4/device/iPhone18%2C1?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: d64ceac175f25a3b96d64afe93d076e8