FIRMWARE DETAILS

iOS 15.3.1

Build: 19D52Feb 10, 2022Restore IPSW

Stable

View details

Filename: iPhone14,4_15.3.1_19D52_Restore.ipsw
File size: 6.63 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: d68c64b8ef0b6ce3f3b469124b9ed2b113cb36eacc04cade16df80bad447f65b
SHA-1: 45eb67549aaab4da42de270e3b69241f584763f1
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone 13 mini iPhone14,4IPSW.me public API retrieval · Oct 22, 2026, 4:30 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/iPhone14%2C4?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: 671d607737bf8a1805d88437234e3e9f