iPhone 6s+ · iPhone8,2

iPhone 6s+ · iOS 15.3.1

19D52Unsigned

Catalog data · Last updated: Oct 21, 2026, 7:58 PM UTC

Restore IPSW for iPhone 6s+: iOS 15.3.1, build 19D52.

Firmware information

Version: iOS 15.3.1
Build: 19D52
IPSW: Restore IPSW
Size: 5.21 GB
Release date: Feb 10, 2022, 7:12 PM UTC
File name: iPhone_5.5_15.3.1_19D52_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_15.3.1_19D52_Restore.ipsw

The catalog marks this build as unsigned. A normal restore may not be accepted.

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-256f0b9f27b497ebc88a29e0dc62a52bd92bdc6a7069808b450fa68fbbcd2523954

SHA-1ec4163cc47dc688b58541c00f190f942e2db3101

MD5fcfa141802a5bf1c95f5ebeaf21d4587