iPhone 15 Pro Max · iPhone16,2

iPhone 15 Pro Max · iOS 17.1

21B80Unsigned

Catalog data · Last updated: Oct 23, 2026, 7:35 AM UTC

Restore IPSW for iPhone 15 Pro Max: iOS 17.1, build 21B80.

Firmware information

Version: iOS 17.1
Build: 21B80
IPSW: Restore IPSW
Size: 7.64 GB
Release date: Oct 25, 2023, 5:36 PM UTC
File name: iPhone16,2_17.1_21B80_Restore.ipsw
Download host: updates.cdn-apple.com

IPSW download

Check the model and signing status before downloading.

Download IPSW

Download hostupdates.cdn-apple.comiPhone16,2_17.1_21B80_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-25630a56365238ab56ca2f14348450fa0f9c62c0e0008783d0302414a37cc1b3f61

SHA-11e19c704337bcadf564b04552f2159cc819c848b

MD55e681d1e696734c89937b64d37aae2cd