iOS 9.9.13.1 (17A5831c) for iPhone 6s ✗ 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 dc801af9661d9d9d6039c5872616e64245c29902.zip Filesize 2.6 GiB Identifier iPhone8,1
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