FIRMWARE DETAILS

iOS 13.1.3

Build: 17A878Oct 15, 2019Restore IPSW

Stable

View details

Filename: iPhone12,1_13.1.3_17A878_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: 6bcef3ba845d91da5ab0488d2cf61defb8ef990fbc8df8669ed409f77d6825c7
SHA-1: 821b82dd44def369a7c53bfa51c7fee6a014d846
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone 11 iPhone12,1IPSW.me public API retrieval · Oct 21, 2026, 7:35 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: f9be5e7e68353ab0875dc62ab0e8b5aa