FIRMWARE DETAILS

iOS 17.0 beta 4

Build: 21A5291jJul 31, 2023Delta OTA

Beta

View details

Filename: 94bf4407976b3792da6615393fa2b4a9b278a128.zip
File size: 2.87 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: 3ee47572b552b00d09eafccfb01dec5887421d6472c36c10cdfb83468d46dedc
SHA-1: b168f6bb28b4ad7a39016c84acf8a82c225179fa
Required starting builds: 20G5070a
Board restrictions: Not reported

OTA packages can require an exact starting build and board. A matching hardware identifier alone is not sufficient for installation.

Compatible hardware (1)

iPhone XR iPhone11,8

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%3B21A5291j.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: 1a482bda17ccfbe4995fdb9086fbae7f