FIRMWARE DETAILS

iOS 26.4 beta 3

Build: 23E5223fMar 2, 2026Delta OTA

Beta

View details

Filename: 57a1df95d8349b66713b649ede3200454923b278.zip
File size: 1.22 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: 92a25cbf5109466c588b9b9cd217192e6fad450c54d1a30e03ba2415f9c82bcb
SHA-1: 57a1df95d8349b66713b649ede3200454923b278
Required starting builds: 23E5207q, 23E5218e
Board restrictions: Not reported

OTA packages can require an exact starting build and board. A matching hardware identifier alone is not sufficient for installation.

Compatible hardware (1)

iPhone 11 Pro iPhone12,3

Unknown

Signing is specific to the device and file. A signed build does not guarantee a downgrade or successful installation.

Source provenance

AppleDBhttps://api.appledb.dev/ios/iOS%3B23E5223f.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:25 PM UTC
Record fingerprint: c8e25f007ad2e1abf9fc64a1751ed7d8