FIRMWARE DETAILS

iOS 17.4

Build: 21E219Mar 5, 2024Restore IPSW

Stable

View details

Filename: iPhone15,3_17.4_21E219_Restore.ipsw
File size: 7.96 GB
File type: Restore IPSW
Download host: updates.cdn-apple.com
Link availability: Not verified
Source reports active
Last link check: Not checked
SHA-256: 19640fecd4ea742a2471e57f020f1be1967a635a8634bcc5f383c5147084e401
SHA-1: 19bf9b0084e64041e39504e93bbc286c9aefa879
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone 14 Pro Max iPhone15,3IPSW.me public API retrieval · Oct 22, 2026, 11:28 PM UTC

Unsigned

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%3B21E219.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: c89b542f4c3e0674573e93f3ad0939c2

IPSW.mehttps://api.ipsw.me/v4/device/iPhone15%2C3?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: 190b8d82b8aed410545d8d508998ad1e