FIRMWARE DETAILS

iOS 26.1 beta 2

Build: 23B5059eOct 6, 2025Delta OTA

Beta

View details

Filename: fc1904aa800134bf1b48e6c39f9e3a2ecc2ed8aa189fe5164eefa88b1b9bd826.aea
File size: 1.85 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: 246dd588fc8c51a80f233ea195c958449641fb389e7473c4d71ed39ca1e5a14b
SHA-1: 80d3079b8b0602cc8c1f74e32d9b3367006ff43e
Required starting builds: 23B5044l
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 16 Plus iPhone17,4

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: 744bac5b491ac3307b0869a9c87fc2aa