iOS 9.3.3 (13G21) for iPad Pro 12.9-inch (Cellular) ✗ This OTA is not signed. OTA firmwares cannot be restored to. IPSW Downloads collects them for
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Release Date June 6, 2016 Upload Date June 2, 2016 Filename ec27cf8611835a4f92c2632a4d1b285aa7dea61e.zip Filesize 1.5 GiB Identifier iPad6,8
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