firmwarehub.
العربية
FIRMWARE DETAILS

iOS 17.0 beta 4

Build: 21A5291jJul 31, 2023Delta OTA
Beta

View details

Filename
289d10e4964f3f42906af02e8ba79ca0800185f8.zip
File size
3.08 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
00ce4fda11fbec19a77db7bba17e0399659dd0a5cfc008f17dcfa75f6814af84
SHA-1
3946a01229ea871177f8c11e32e3a274162a35d5
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)

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