iOS 9.9.11.1.1 (15B6150) for iPad Air (WiFi) ✗ 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 d29ee39d3bebc4806adc6ca2e397fa05807eac5c.zip Filesize 1.7 GiB Identifier iPad4,1
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