FIRMWARE DETAILS

iOS 26.1 beta 4

Build: 23B5073aOct 20, 2025Full OTA

Beta

View details

Filename: 3179fbcd6774eafc99ae7f081daccf706bbb251f78d66f22fce96121dcb72c44.aea
File size: 8.25 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: 33601c7a2eff3dc173a610f3fae3e2566d53df84a53798107a4e6088b0c9fa39
SHA-1: dd29d3817873fa9f47950ba62605ebab665775ae
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 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: 18d16b0fe5b5f30c945b62b572d3ecde