FIRMWARE DETAILS

iOS 26.4.1

Build: 23E254Apr 8, 2026Restore IPSW

Stable

View details

Filename: iPhone18,4_26.4.1_23E254_Restore.ipsw
File size: 11.04 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: 60f3d8710fb5cb3b0a5af76346f4afb57d08c106455b2563f78ef8fb0849cfb5
SHA-1: 88b67f2838cb134a8f7b21a237daec3691b0d315
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone Air iPhone18,4IPSW.me public API retrieval · Oct 23, 2026, 3:46 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/iPhone18%2C4?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: 355279ffddd7d3e2e25841b8577d62e7

AppleDBhttps://api.appledb.dev/ios/iOS%3B23E254.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:25 PM UTC
Record fingerprint: 068f9108c631b2be9610754c465ed403