FIRMWARE DETAILS

iOS 26.1 beta 2

Build: 23B5059eOct 6, 2025Delta OTA

Beta

View details

Filename: ac27a42786ab9327b326b278ecc192a563de8fc6.zip
File size: 2.29 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: 25ac595cb94443013c4ad65658808bf646b131e4867200c368c7aefb100b16dd
SHA-1: ac27a42786ab9327b326b278ecc192a563de8fc6
Required starting builds: 23A5336a
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 12 iPhone13,2

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%3B23B5059e.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:26 PM UTC
Record fingerprint: 744bac5b491ac3307b0869a9c87fc2aa