iPhone 15 Pro Max · iPhone16,2

iPhone 15 Pro Max · iOS 17.3

21D50Unsigned

Catalog data · Last updated: Oct 24, 2026, 12:23 AM UTC

Restore IPSW for iPhone 15 Pro Max: iOS 17.3, build 21D50.

Firmware information

Version: iOS 17.3
Build: 21D50
IPSW: Restore IPSW
Size: 7.58 GB
Release date: Jan 22, 2024, 6:58 PM UTC
File name: iPhone16,2_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.comiPhone16,2_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-25641956e06dc75ad2faac45952e2cd63f5181d9525d417b4bb8c1742130c88375e

SHA-1b2f6371821f1fec17956dc98effe90b41cf39689

MD5022ad4270c00790f7200013652f68f21