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FIRMWARE DETAILS

iOS 15.1

Build: 19B74Oct 25, 2021Restore IPSW
Stable

View details

Filename
iPhone13,2,iPhone13,3_15.1_19B74_Restore.ipsw
File size
6.79 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
2cc0b48ace74264d83a49d450048eea32bcad114004fdecb94ae2307d54b9e43
SHA-1
b14d4cec798c449a1ba0373c1aa8ddfbec8fdc01
Required starting builds
Not reported
Board restrictions
Not reported

Compatible hardware (2)

iPhone 12 iPhone13,2IPSW.me v4 third-party restore observation (retrieval time) · Oct 19, 2026, 10:59 PM UTC
Unknown
iPhone 12 Pro iPhone13,3IPSW.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/iPhone13%2C2?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: 543b38c498b07d4d280d9fc85402a511

IPSW.mehttps://api.ipsw.me/v4/device/iPhone13%2C3?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: a51732a1a5bfcbfbed04e1ff2044a197