FIRMWARE DETAILS

iOS 17.4.1

Build: 21E236Mar 21, 2024Delta OTA

Stable

View details

Filename: 2cc86d80b26ee13e1d58edf19e1dd952733e5ff6.zip
File size: 398.3 MB
File type: Delta OTA
Download host: updates.cdn-apple.com
Link availability: Not verified
Source reports active
Last link check: Not checked
SHA-256: 807613836f54572ab034fe970a523a56a0647a91c06a9a24c529f1dc9a88e9fd
SHA-1: 7ad19b7acda88498d9b8198ed746db19d2fe5b9e
Required starting builds: 21E219
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 13 mini iPhone14,4

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%3B21E236.json ↗

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