iPhone XS · iPhone11,2

iPhone XS · iOS 15.1

19B74Unsigned

Catalog data · Last updated: Oct 24, 2026, 6:24 AM UTC

Restore IPSW for iPhone XS: iOS 15.1, build 19B74.

Firmware information

Version: iOS 15.1
Build: 19B74
IPSW: Restore IPSW
Size: 7 GB
Release date: Oct 25, 2021, 8:28 PM UTC
File name: iPhone11,2,iPhone11,4,iPhone11,6,iPhone12,3,iPhone12,5_15.1_19B74_Restore.ipsw
Download host: updates.cdn-apple.com

IPSW download

Check the model and signing status before downloading.

Download IPSW

Download hostupdates.cdn-apple.comiPhone11,2,iPhone11,4,iPhone11,6,iPhone12,3,iPhone12,5_15.1_19B74_Restore.ipsw

Back up before you restore. A restore can erase the data on the device. The identifier has to match, and a file you can download may still be rejected for restore.

Checksum

SHA-25687e70faeaf16d31da64bc1d33901216c43ab7be32637b93544404d755375d0e9

SHA-164a2c55fddc7e2cf6d5dac9c6c46c3c77f318508

MD589636448c0bad64044c8a589b0f6ad90