iOS 9.3.1 (13E6238) for iPhone 6s ✗ This OTA is not signed. OTA firmwares cannot be restored to. IPSW Downloads collects them for
potential future use. They might also be useful if you're doing research.
Release Date March 31, 2016 Upload Date March 30, 2016 Filename 15463de3049f882a631c7b7b8bd72cc9fe6736af.zip Filesize 1.5 GiB Identifier iPhone8,1
All information on these pages is automatically updated. When you click on any Apple Software link on
the site, you are redirected to an Apple server. We do not (and never will) mirror these files. All trademarks are the property of their respective owners. IPSW Downloads is not affiliated with Apple Inc.
© 2026 IPSW Downloads
This page was last modified at 1:24:35 pm UTC on Monday, April 6, 2026 and built at 10:20:14 am UTC on Saturday, April 18, 2026.