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FIRMWARE DETAILS

iOS 13.3.1

Build: 17D50Jan 28, 2020Restore IPSW
Stable

View details

Filename
iPhone11,8,iPhone12,1_13.3.1_17D50_Restore.ipsw
File size
4.51 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
def671154c039b47311957d4d04815616bcee385bb3abeb5c43279f73bf0953a
SHA-1
b176a30b819d0c2754d791eaa371af21bab60f09
Required starting builds
Not reported
Board restrictions
Not reported

Compatible hardware (2)

iPhone 11 iPhone12,1IPSW.me v4 third-party restore observation (retrieval time) · Oct 19, 2026, 10:59 PM UTC
Unknown
iPhone XR iPhone11,8IPSW.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/iPhone12%2C1?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: 9718e4918da3157ff01555bccca99287

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: cae7680de051a6b5eb4a15176f297572