iPhone 11 Pro · iPhone12,3

iPhone 11 Pro · iOS 17.3

21D50Unsigned

Catalog data · Last updated: Oct 24, 2026, 1:53 AM UTC

Restore IPSW for iPhone 11 Pro: iOS 17.3, build 21D50.

Firmware information

Version: iOS 17.3
Build: 21D50
IPSW: Restore IPSW
Size: 6.95 GB
Release date: Jan 22, 2024, 6:59 PM UTC
File name: iPhone12,3,iPhone12,5_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.comiPhone12,3,iPhone12,5_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-256bbf25ffa7cc68ca252ab60e7eafc5f3d4bee936e33184689097602a5a65bb203

SHA-1ac4ec80ddd16f6a6c0b53a6547ba210ba7c38c37

MD5d1408ded2d3ee6b2afff43c653c1c828