iPhone SE · iPhone8,4

iPhone SE · iOS 15.1

19B74Unsigned

Catalog data · Last updated: Oct 24, 2026, 7:09 AM UTC

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

Firmware information

Version: iOS 15.1
Build: 19B74
IPSW: Restore IPSW
Size: 5.02 GB
Release date: Oct 25, 2021, 8:28 PM UTC
File name: iPhone_4.0_64bit_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.comiPhone_4.0_64bit_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-2565559ac78b277751938c63467f97d0f031693817a23653608ddbf73f080a58c6e

SHA-1d542d3bb7a6e9b519bf9351d5429f9abf2a598b9

MD529b9a0cbebb0c2c57f803a5ad7265050