firmwarehub.
العربية
FIRMWARE DETAILS

iOS 17.4.1

Build: 21E236Mar 21, 2024Delta OTA
Stable

View details

Filename
96cc9258fd38e8ff9a6a1aebe1dd16e51adaff64.zip
File size
4.69 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
727ae683a29ea62d6521160306eb9b5d511c3b5ad1c5d42237a8151da9a83b00
SHA-1
5ceeaaed698803555c48cecea6f5c7827165001b
Required starting builds
19F77, 19G71, 19G82
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%3B21E236.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: 35d6f74f80d62b482e435ab6b7815260