FIRMWARE DETAILS

iOS 15.3.1

Build: 19D52Feb 10, 2022Restore IPSW

Stable

View details

Filename: iPhone12,8_15.3.1_19D52_Restore.ipsw
File size: 6.20 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: 2a84289020e2b72044c33f503aee7b5fe77da20aa8c6613d988b50848388eb39
SHA-1: 8c939ddbfaf7ee3bbeefc96cd45994d5d487d05d
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone SE (2nd generation) iPhone12,8IPSW.me public API retrieval · Oct 23, 2026, 12:23 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/iPhone12%2C8?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: a7123766ee5b8dd4e8ddf90cbf2880ae