iOS 9.9.11.1 (15B5086a) 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 October 16, 2017 Upload Date October 12, 2017 Filename efcdc8ec29080ee1b05be08a49f43119ec811f43.zip Filesize 1.8 GiB Identifier iPhone6,1
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