iOS 9.1 (13B5130b) 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 4, 2015 Upload Date September 29, 2015 Filename ec0d5f4326891e9e3a6a8f814eea052251c94745.zip Filesize 1.4 GiB Identifier iPhone8,1
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