FIRMWARE DETAILS

iOS 26.4.1

Build: 23E254Apr 8, 2026Delta OTA

Stable

View details

Filename: 1646c602e0db7c46c0a9b534e9b968ef7496c743b1adca5a4760a56c839206b4.aea
File size: 4.83 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: 7b00314830695d16e794d47ecafabf82815328f9115eefbabd559a2a5e696a43
SHA-1: 2b0bb82696cfd97409660188212543f579bfc3ff
Required starting builds: 22F76
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 16 iPhone17,3

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