FIRMWARE DETAILS

iOS 26.1 beta 4

Build: 23B5073aOct 20, 2025Restore IPSW

Beta

View details

Filename: iPhone17,1_26.1_23B5073a_Restore.ipsw
File size: 10.82 GB
File type: Restore IPSW
Download host: updates.cdn-apple.com
Link availability: Not verified
Source reports active
Last link check: Not checked
SHA-256: d6186f86f713def1ad9f794b540629885f0a039c762efdcf9fadb8ea99d1c8eb
SHA-1: a1db7e5fcc8c92e2af9947a337d2a13598fb60a3
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone 16 Pro iPhone17,1

Unknown

Signing is specific to the device and file. A signed build does not guarantee a downgrade or successful installation.

Source provenance

AppleDBhttps://api.appledb.dev/ios/iOS%3B23B5073a.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:26 PM UTC
Record fingerprint: 18d16b0fe5b5f30c945b62b572d3ecde