iOS 9.9.11.3.1 (15E6302) 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 April 24, 2018 Upload Date April 14, 2018 Filename 6314131c281751e1dcacb78027042a3eea7dfda6.zip Filesize 1.8 GiB Identifier iPhone6,1
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