FIRMWARE DETAILS

iOS 15.4

Build: 19E241Mar 14, 2022Restore IPSW

Stable

View details

Filename: iPhone13,4_15.4_19E241_Restore.ipsw
File size: 6.52 GB
File type: Restore IPSW
Download host: updates.cdn-apple.com
Link availability: Not verified
Source did not report availability
Last link check: Not checked
SHA-256: cd6190602b138875c583fb2ea4f97bf6b2500d7b96dc8ef05b6542816e132417
SHA-1: 11b8fbdc61bf3ff96e998dcfb4f581c74841a3b1
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone 12 Pro Max iPhone13,4IPSW.me public API retrieval · Oct 22, 2026, 7:46 AM UTC

Unsigned

Signing is specific to the device and file. A signed build does not guarantee a downgrade or successful installation.

Source provenance

IPSW.mehttps://api.ipsw.me/v4/device/iPhone13%2C4?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: 3b642eb9f56505ccc975a7ecc37d4517