FIRMWARE DETAILS

iOS 26.1 beta 4

Build: 23B5073aOct 20, 2025Full OTA

Beta

View details

Filename: 7267d1af21c91f624cdd00ddb201c676fa7c2a1aaa6c49cfe084ed0abbd1a69b.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: cb3d9c41786ce4909a2c52d7c0d7b27a5feda4901187592d48aaaa03afcbc459
SHA-1: 9ae5e9593853029ef858e9d7203b11422891dd78
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 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: 18d16b0fe5b5f30c945b62b572d3ecde