iPhone 13 Pro Max · iPhone14,3

iPhone 13 Pro Max · iOS 17.3

21D50Unsigned

Catalog data · Last updated: Oct 24, 2026, 10:54 AM UTC

Restore IPSW for iPhone 13 Pro Max: iOS 17.3, build 21D50.

Firmware information

Version: iOS 17.3
Build: 21D50
IPSW: Restore IPSW
Size: 7.3 GB
Release date: Jan 22, 2024, 6:58 PM UTC
File name: iPhone14,3_17.3_21D50_Restore.ipsw
Download host: updates.cdn-apple.com

IPSW download

Check the model and signing status before downloading.

Download IPSW

Download hostupdates.cdn-apple.comiPhone14,3_17.3_21D50_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-2568a7135d005ab6cb781e34a7c93763a240fa56d3f67edbb2b00bf1307e5ae682d

SHA-16502ff3c6c65ce43e572b6457198fd288c87c038

MD51d37a413f8f5bf42a4b5c755b8d8f579