FIRMWARE DETAILS

iOS 26.4.1

Build: 23E254Apr 8, 2026Delta OTA

Stable

View details

Filename: d965f7a2abb1865d4ff478b2b3d8c0195a256d001f75ea4233bc353f150ad071.aea
File size: 5.23 GB
File type: Delta OTA
Download host: updates.cdn-apple.com
Link availability: Not verified
Source reports active
Last link check: Not checked
SHA-256: 4f361f2c60b48fdea7fd2f133cb2938e772faf4e401b4c822bc4ba54f5371e7e
SHA-1: 743b81503c0e5df6af015fbfc353fec5600db4b7
Required starting builds: 22G100, 22G84, 22G86, 22G90
Board restrictions: Not reported

OTA packages can require an exact starting build and board. A matching hardware identifier alone is not sufficient for installation.

iPhone 15 iPhone15,4

Unknown

Signing is specific to the device and file. A signed build does not guarantee a downgrade or successful installation.

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