FIRMWARE DETAILS

iOS 26.4.1

Build: 23E254Apr 8, 2026Delta OTA

Stable

View details

Filename: 33a82281e7ae90cdcf82b89947e93a4b02d1f1aac6c440acb91be3fa3210b6a4.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: b367fb7a2b79f764e5f2e3d04514236d34b7eaf2adb041d7130b65ec4b33fa86
SHA-1: db16895ef7b0dd22526da201836aebe4852356f7
Required starting builds: 22H340
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