FIRMWARE DETAILS

iOS 15.1.1

Build: 19B81Nov 17, 2021Restore IPSW

Stable

View details

Filename: iPhone13,1_15.1.1_19B81_Restore.ipsw
File size: 6.59 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: b473ba0e2191bdd60224b097fd75ae76462c7e2c9dcc683572b31f8dbeed8548
SHA-1: 0786cbb4ff34c6e36520f65c1f9258b9fe409255
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone 12 mini iPhone13,1IPSW.me public API retrieval · Oct 23, 2026, 6:14 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/iPhone13%2C1?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: e814e4301152fc8dce78909fe3095f2c