iOS 9.9.11.2.1 (15C6153) for iPad Air 2 (Cellular) ✗ This OTA is not signed. OTA firmwares cannot be restored to. IPSW Downloads collects them for
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Release Date December 13, 2017 Upload Date December 11, 2017 Filename 27b051ced1bc9fc2a79fcfe093888f01a17979c2.zip Filesize 1.7 GiB Identifier iPad5,4
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