FIRMWARE DETAILS

iOS 15.2.1

Build: 19C63Jan 12, 2022Restore IPSW

Stable

View details

Filename: iPhone13,4_15.2.1_19C63_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: 9cc298b014dd70075a1940d47561141e32a043cf20d3fd11fd3e154727bc24d0
SHA-1: 794697eda22e21c3c9cca4a57454c34007591b7d
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, 2:31 PM 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: 5769cdd5af297a63f29bad88eb0d8b65