FIRMWARE DETAILS

iOS 15.2

Build: 19C57Dec 13, 2021Restore IPSW

Stable

View details

Filename: iPhone14,4_15.2_19C57_Restore.ipsw
File size: 6.64 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: e7fc500780363e02fee45c278232b8cc9261adfaa4694edeb1b49135728b44c0
SHA-1: 02f1470aafc606487370c3f70023295e828dc20f
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone 13 mini iPhone14,4IPSW.me public API retrieval · Oct 21, 2026, 8:11 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/iPhone14%2C4?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: e3679725b06a28e8d0d0f4c934e4981e