iOS 9.1 (13B5143) 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 October 21, 2015 Upload Date October 16, 2015 Filename 1bbfadf04950a7acec7377e88789d0d62ccf3fe3.zip Filesize 1.5 GiB Identifier iPad6,8
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