iOS 9.3 (13E5181d) 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 January 11, 2016 Upload Date January 7, 2016 Filename 67e8c072c37fb80ee291fb1e45096d45431e3911.zip Filesize 1.3 GiB Identifier iPhone6,1
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