firmwarehub.
العربية
FIRMWARE DETAILS

iOS 26.1 beta 4

Build: 23B5073aOct 20, 2025Delta OTA
Beta

View details

Filename
de88a77423c273d3763acc93f74346de929b2ee49641ae6fe6b89541541cbe2b.aea
File size
2.48 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
ed5b3cc82b849c15b5fe0d3b1c186cfda0eba8484bac6365768a7028fb2118ce
SHA-1
76f5cef2f0fbd56b6f27b5a1b11d4c792487af8b
Required starting builds
23B5059e, 23B5064e
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)

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%3B23B5073a.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:26 PM UTC
Record fingerprint: 18d16b0fe5b5f30c945b62b572d3ecde