FIRMWARE DETAILS

iOS 26.1 beta 2

Build: 23B5059eOct 6, 2025Delta OTA

Beta

View details

Filename: 4649f6288af3bc911ed376921a0d79425bf822d2fe790b83baea817c746da351.aea
File size: 1.91 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: 1c85127ec02774747eed0ed2d467fe101c6ec472896d057c8a41226eda56f358
SHA-1: 239f8e196be76f4ac774a4e055a9f245869cdec3
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 17 Pro iPhone18,1

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