FIRMWARE DETAILS

iOS 15.2

Build: 19C56Dec 13, 2021Restore IPSW

Stable

View details

Filename: iPhone13,4_15.2_19C56_Restore.ipsw
File size: 6.65 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: 2001bba879e05e729db85cd20be5e6af404478e183a9e078699200c6ea59cbb5
SHA-1: 86cc8c599581b153d2a4c3194f71cfd22716233d
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, 6:20 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: e7f860fbe44668416c361599d683a953