FIRMWARE DETAILS

iOS 26.4.1

Build: 23E254Apr 8, 2026Delta OTA

Stable

View details

Filename: aa48236411ad68918dcf544bcf3bb27902cc8d773793cf12a120bb9ff38cf13a.aea
File size: 4.76 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: 590d054a74903debb7efd96b8fdf5602d460ebab7aae8addfe0dbd6190ebe8f1
SHA-1: 4e3e19173213cf3341cbdd14970b20a5ceba57ee
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 15 Pro iPhone16,1

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