iOS 9.9.11.1.1 (15B6150) 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 November 9, 2017 Upload Date November 7, 2017 Filename 7962686f719dbcc337b087d94d047726d3828991.zip Filesize 1.8 GiB Identifier iPhone8,1
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