FIRMWARE DETAILS

iOS 15.1.1

Build: 19B81Nov 17, 2021Restore IPSW

Stable

View details

Filename: iPhone14,4_15.1.1_19B81_Restore.ipsw
File size: 6.61 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: 3c182424180806348c2d263b8e8e33437f4d2314778c06aee95544e4484e7495
SHA-1: 265a2dc8ebc4cb74266452042df7ff037bbdbb41
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone 13 mini iPhone14,4IPSW.me public API retrieval · Oct 21, 2026, 3:57 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/iPhone14%2C4?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: 6e4ec983ff90c6d400e614b322a309b9