FIRMWARE DETAILS

iOS 26.1 beta

Build: 23B5044lSep 22, 2025Delta OTA

Beta

View details

Filename: ef51a173f3b068b15ef246628a8f2985bd1223bfa9dead0a8899b7ab364c93b7.aea
File size: 2.48 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: 43fca92d4fc5dc8b66c93e4d16ee769e8d4affdbe8a0e2db3bc27bf66805c060
SHA-1: c0acf1df1c1ae7432d134ff65d76ae0392494f55
Required starting builds: 23A5330a, 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.

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: 70871256a2be85181cbcb28347afcaef