iOS 9.9.13.1 (17A5831c) for iPhone XS ✗ This OTA is not signed. OTA firmwares cannot be restored to. IPSW Downloads collects them for
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Release Date September 4, 2019 Upload Date September 2, 2019 Filename 51a6223502b8c492770eeb8e5cb21bbcfe9dea7d.zip Filesize 3.2 GiB Identifier iPhone11,2
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