FIRMWARE DETAILS

iOS 26.1 beta 4

Build: 23B5073aOct 20, 2025Restore IPSW

Beta

View details

Filename: iPhone18,4_26.1_23B5073a_Restore.ipsw
File size: 10.69 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: 7dfa3069935120497a3070c847b476194650a69ec008d0aa3be7e0cfeba54520
SHA-1: b2594df5060c387c95a2ed69d89ded212a8897c7
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone Air iPhone18,4

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