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FIRMWARE DETAILS

iOS 12.3.1

Build: 16F203May 24, 2019Restore IPSW
Stable

View details

Filename
iPhone11,4,iPhone11,6_12.3.1_16F203_Restore.ipsw
File size
3.66 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
75dd4765feba971b50a8f3849293a2c2d9552aba3ac23ec3511cd1ff4bd03873
SHA-1
359a5649644f155e7425039b90ed431732108bac
Required starting builds
Not reported
Board restrictions
Not reported

Compatible hardware (2)

iPhone XS Max iPhone11,6IPSW.me v4 third-party restore observation (retrieval time) · Oct 19, 2026, 10:59 PM UTC
Unknown
iPhone XS Max (China mainland) iPhone11,4IPSW.me v4 third-party restore observation (retrieval time) · Oct 19, 2026, 10:59 PM UTC
Unknown

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%2C4?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 10:59 PM UTC
Record fingerprint: 12d22df1d66a40edd63e3476cc07864d

IPSW.mehttps://api.ipsw.me/v4/device/iPhone11%2C6?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 10:59 PM UTC
Record fingerprint: c41e104e1594565b9be31328cbc4892d