iPhone 4s · iPhone4,1

iPhone 4s · iOS 8.4.1

12H321Unsigned

Catalog data · Last updated: Oct 24, 2026, 6:54 AM UTC

Restore IPSW for iPhone 4s: iOS 8.4.1, build 12H321.

Firmware information

Version: iOS 8.4.1
Build: 12H321
IPSW: Restore IPSW
Size: 1.45 GB
Release date: Aug 13, 2015, 5:59 PM UTC
File name: iPhone4,1_8.4.1_12H321_Restore.ipsw
Download host: secure-appldnld.apple.com

IPSW download

Check the model and signing status before downloading.

Download IPSW

Download hostsecure-appldnld.apple.comiPhone4,1_8.4.1_12H321_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-25668a5f724ec43b020caec7e83768252727173f0c180f12ee3d6ba8fc8aa90b27a

SHA-10858ce92863751e3f1b750b5ee3cc3e44800a52d

MD53d27d44f1dddfc711446e7e51c9611a8