iOS 9.9.11.1 (15B92) for iPhone 6s ✗ This OTA is not signed. OTA firmwares cannot be restored to. IPSW Downloads collects them for
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Release Date October 20, 2017 Upload Date October 19, 2017 Filename 73677fff0735326ee29060c9e3f5a7ea7fba3590.zip Filesize 1.8 GiB Identifier iPhone8,1
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