iOS 9.1 (13B5137) 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 October 12, 2015 Upload Date October 9, 2015 Filename 729dbc9a6624e1068472a367c6d3a4391ca41cf7.zip Filesize 1.3 GiB Identifier iPad4,1
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