FIRMWARE DETAILS

iOS 26.4 beta 4

Build: 23E5234aMar 9, 2026Delta OTA

Beta

View details

Filename: 539ea4fb4830f3710f9d4e44231fd96a3585d31c938d59b99871e5f2965af937.aea
File size: 1.71 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: 591ffcc649a3ffeefcdf8f3efc8d945b7df72441b61a1db497aa57cca5cc859d
SHA-1: d62c1def5e6b9510e7606ddcf2bb06db21fd5960
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 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: 266f23a2e3a0472ff895ed73af2f2aa0