FIRMWARE DETAILS

iOS 26.1 beta 4

Build: 23B5073aOct 20, 2025Full OTA

Beta

View details

Filename: c1ee44d9c2afcdc132751f42e374cb2fef21e110587787bb978c958ee3ed0e17.aea
File size: 8.52 GB
File type: Full OTA
Download host: updates.cdn-apple.com
Link availability: Not verified
Source reports active
Last link check: Not checked
SHA-256: 87a08e81ed7d1467c5078d71880bfb729cb197bc273cb886f0a06bb838361fee
SHA-1: 22c3c286189840b364ec278a160e1b6bc92a830d
Required starting builds: Not reported
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 iPhone18,3

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