iOS 9.9.11.3 (15E5189f) 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 February 20, 2018 Upload Date February 17, 2018 Filename b80510e0302c51e134edddbc580a75a419e54225.zip Filesize 1.8 GiB Identifier iPhone6,1
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