firmwarehub.
العربية
FIRMWARE DETAILS

iOS 26.1 beta 4

Build: 23B5073aOct 20, 2025Delta OTA
Beta

View details

Filename
1b72a7dcaff5b566a24b08454f57526df7b6aac90769dd7e53fc353c350cfeca.aea
File size
2.11 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
0dc8cd9aa42defebd930d34c2e9315ab25dc7c01429b5ba7451b0b1143a7e3ce
SHA-1
973a493d50b5a573a1c60be468011294ea2229ca
Required starting builds
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