iPhone 6s+ · iPhone8,2

iPhone 6s+ · iOS 13.3.1

17D50Unsigned

Catalog data · Last updated: Oct 23, 2026, 5:51 AM UTC

Restore IPSW for iPhone 6s+: iOS 13.3.1, build 17D50.

Firmware information

Version: iOS 13.3.1
Build: 17D50
IPSW: Restore IPSW
Size: 3.63 GB
Release date: Jan 28, 2020, 6:02 PM UTC
File name: iPhone_5.5_13.3.1_17D50_Restore.ipsw
Download host: updates.cdn-apple.com

IPSW download

Check the model and signing status before downloading.

Download IPSW

Download hostupdates.cdn-apple.comiPhone_5.5_13.3.1_17D50_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-2563577c1be4d4f3b13e8a503103d982855a8f335ac63ab0ff1a40aea6ec9531c1b

SHA-156ac1fb10f896629d605e628341e654388ce49e2

MD5dce58c37f1356a489e63c0c35e4061e5