FIRMWARE DETAILS

iOS 26.4 beta 4

Build: 23E5234aMar 9, 2026Delta OTA

Beta

View details

Filename: cd665957d31831693057c5624228caeba1d46ddaccfe89cccc95c35cd73a98b8.aea
File size: 2.08 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: 747ff30492c9674ae57f04cfa482b0d59c2491954b39b14081118d1892a08de3
SHA-1: 724602b1f9311c26890d332a2250ca5d5e7d5358
Required starting builds: 23E5207q, 23E5218e, 23E5223f
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 iPhone18,3

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: 266f23a2e3a0472ff895ed73af2f2aa0