FIRMWARE DETAILS

iOS 12.3.1

Build: 16F203May 24, 2019Restore IPSW

Stable

View details

Filename: iPhone11,8_12.3.1_16F203_Restore.ipsw
File size: 3.48 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: 38d3712ef03affae3ac40530ea9ecb3ae517b16f179798a422c4d18b7a0d9960
SHA-1: 715e89f09960aeaf9d7f2d51cb51b9fd38c57ee8
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone XR iPhone11,8IPSW.me public API retrieval · Oct 22, 2026, 7:03 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/iPhone11%2C8?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 10:59 PM UTC
Record fingerprint: cd8e71474153d68db254b15adda0f3f7