FIRMWARE DETAILS

iOS 26.4 beta 4

Build: 23E5234aMar 9, 2026Delta OTA

Beta

View details

Filename: 20c584809eeefa09e3e04ec622d4b1f9e56cc8a38bc43e20e6fc48b0f433e57f.aea
File size: 2.05 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: 55e141a2811fdf20158720c7ca46e2096c8ee23a9dd138de904bc4f260625a41
SHA-1: e9ab17a15c6442313fd6312d655797721dd74535
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 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