iOS 9.9.11.4.1 (15G5054c) 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 May 30, 2018 Upload Date May 24, 2018 Filename 524a2562a1983dccb71f033795cf7b2adc74978d.zip Filesize 1.8 GiB Identifier iPhone8,1
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