iOS 9.9.11.0 (15A5370a) 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 August 31, 2017 Upload Date August 30, 2017 Filename 348d400a9f07e0e185d01ef1a6c1732efa1d8370.zip Filesize 1.7 GiB Identifier iPhone6,1
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