iOS 9.9.11.3.1 (15E6302) 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 April 24, 2018 Upload Date April 14, 2018 Filename 86c2aa5d3e70fa3275bb763a47c5148e79b4d5e1.zip Filesize 1.7 GiB Identifier iPad4,1
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