iPhone 12 · iPhone13,2

iPhone 12 · iOS 17.3

21D50Unsigned

Catalog data · Last updated: Oct 23, 2026, 10:38 PM UTC

Restore IPSW for iPhone 12: iOS 17.3, build 21D50.

Firmware information

Version: iOS 17.3
Build: 21D50
IPSW: Restore IPSW
Size: 7.29 GB
Release date: Jan 22, 2024, 6:59 PM UTC
File name: iPhone13,2,iPhone13,3_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.comiPhone13,2,iPhone13,3_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-256dbc8f51a32a45f9c8872899084ceb197827969307b6c62309657a20347c44359

SHA-17737558bfa393664ed1d021a723489faa2cf2551

MD5b366519d2d02d599fad2ce51ee45f048