iOS 9.9.13.1.1 (17A854) for iPhone XS Max ✗ 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 September 27, 2019 Upload Date September 24, 2019 Filename 816483c2e467f844fcaa4d38cb659ff299bf054b.zip Filesize 3.3 GiB Identifier iPhone11,6
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