FIRMWARE DETAILS

iOS 15.3.1

Build: 19D52Feb 10, 2022Restore IPSW

Stable

View details

Filename: iPhone13,1_15.3.1_19D52_Restore.ipsw
File size: 6.60 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: 555044e9b455a72d7d67747a9484d41f9a7754d795b1e3033ccb929d106c561c
SHA-1: 40678d0e14650b1810ed8933a91b607847c841fa
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone 12 mini iPhone13,1IPSW.me public API retrieval · Oct 21, 2026, 12:24 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%2C1?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: 456e7ce4a9583d1384e83a535fffccdf