FIRMWARE DETAILS

iOS 15.4.1

Build: 19E258Mar 31, 2022Restore IPSW

Stable

View details

Filename: iPhone13,4_15.4.1_19E258_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: a339d9f07f385580280bf21da80606909c48eb8528b1ee2721bc30c35467938d
SHA-1: dfff2263cfca77a7ae5c8185ca9d3f430bc2f97c
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone 12 Pro Max iPhone13,4IPSW.me public API retrieval · Oct 23, 2026, 11:54 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: bdb76cbf73731f861bf6adfab8e05e04