iPhone 7 (GSM) · iPhone9,3

iPhone 7 (GSM) · iOS 15.1

19B74Unsigned

Catalog data · Last updated: Oct 24, 2026, 9:40 AM UTC

Restore IPSW for iPhone 7 (GSM): iOS 15.1, build 19B74.

Firmware information

Version: iOS 15.1
Build: 19B74
IPSW: Restore IPSW
Size: 5.34 GB
Release date: Oct 25, 2021, 8:28 PM UTC
File name: iPhone_4.7_P3_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_4.7_P3_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-25616a2f075aae65cde99020bde4ec190eaed078071f1c205f93f58b739814fca8d

SHA-106044a375ed2e4d32b39f4fd8d9c8b20e3c80422

MD53545ac9ffa7536d3f86691f549262845