FIRMWARE DETAILS

iOS 26.4 beta 4

Build: 23E5234aMar 9, 2026Delta OTA

Beta

View details

Filename: 6d913c052c7b05471732e4dde676db87da6985815804c42321e781574b7f0fcf.aea
File size: 1.28 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: 81e7b68f184bf5326a8a23e7e14a1b4bb1ab9d7d90b3e1c9203cc6432191c567
SHA-1: 3b9dcaa66751c78e0bbc802811afd885f8b464df
Required starting builds: 23E5223k
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 17 Pro iPhone18,1

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: 266f23a2e3a0472ff895ed73af2f2aa0