FIRMWARE DETAILS

iOS 26.1 beta 4

Build: 23B5073aOct 20, 2025Delta OTA

Beta

View details

Filename: b4a31f0eea3d46b2d184ec07a77cb24335cab6ebd0496792c1a66b90c874638b.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: 90bb47da70f1568551bcd0233d16cab3d9446bf93e544f4b9df24a6a920f83b6
SHA-1: ea1bd74817de00dd67c81b57be503a6c2a177e1b
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.

iPhone 14 Plus iPhone14,8

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, 6:26 PM UTC
Record fingerprint: 18d16b0fe5b5f30c945b62b572d3ecde