iOS 9.1 (13B5143) 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 21, 2015 Upload Date October 16, 2015 Filename 135b7e6d5f7e50062d2eb631f4493a2b7034aa73.zip Filesize 1.3 GiB Identifier iPad4,1
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