FIRMWARE DETAILS

iOS 26.4.1

Build: 23E254Apr 8, 2026Delta OTA

Stable

View details

Filename: 71adca11cdc2fdfeb08494eb88068858550cb6bc16b35fca0747604d8fad2c03.aea
File size: 2.95 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: 8652da57cda13f71bfd74e730b4e6d9ca7f16dcb3dbdc1ddf34d43cac747ba57
SHA-1: 43fb79a0af493f251aacb4c1b77aa48f1248714f
Required starting builds: 23D125, 23D127
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