iOS 9.9.11.4 (15F5049c) 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 April 16, 2018 Upload Date April 12, 2018 Filename 330b61f118f69eff18da44f7502148a06adb521b.zip Filesize 1.8 GiB Identifier iPhone8,1
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