FIRMWARE DETAILS

iOS 13.1.1

Build: 17A854Sep 27, 2019Restore IPSW

Stable

View details

Filename: iPhone12,1_13.1.1_17A854_Restore.ipsw
File size: 4.10 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: d0bd755fda36d87bc2a4415d6a572576554ad50a5ff9976587b6eef314690800
SHA-1: bfd66718c1cad758d1a3e447a689c7293adf1882
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone 11 iPhone12,1IPSW.me public API retrieval · Oct 22, 2026, 12:36 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/iPhone12%2C1?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: d9fb894845355a720fd70e5f7cf1cab5