iOS 9.9.11.1 (15B5066f) for iPhone 5s (GSM) ✗ This OTA is not signed. OTA firmwares cannot be restored to. IPSW Downloads collects them for
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Release Date September 27, 2017 Upload Date September 23, 2017 Filename b2e4e15e1284e634b6db38ac313cb3c1da049c3e.zip Filesize 1.8 GiB Identifier iPhone6,1
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