FIRMWARE DETAILS

iOS 17.4 beta

Build: 21E5184kJan 30, 2024Delta OTA

Beta

View details

Filename: 14a81edc728a57b4b7f16bcca1f5c440521e5e17.zip
File size: 1.17 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: ee54f5d0d5248bcdc5577e9c7ecc2a189aa0a5eae981379406c3ad7b2054263c
SHA-1: cfe913236b301ea01a9f0ae547dfa98f1c445545
Required starting builds: 21D5036c
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 SE (2nd generation) iPhone12,8

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%3B21E5184k.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: d3c42d204b035b656a7226ce939cd3e9