FIRMWARE DETAILS

iOS 16.5

Build: 20F66May 18, 2023Restore IPSW

Stable

View details

Filename: iPhone13,4_16.5_20F66_Restore.ipsw
File size: 6.80 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: e5614971522e11971f659865d823ce8afb798868fc2a83b31075577ae121638e
SHA-1: 3485e43afbd7170fd61d6513ea4393dd380ee9f3
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone 12 Pro Max iPhone13,4IPSW.me public API retrieval · Oct 22, 2026, 9:58 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/iPhone13%2C4?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: c30a064a5de0e74afcd6826bde2989e6