iOS 9.9.11.4 (15F5071a) 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 May 7, 2018 Upload Date May 3, 2018 Filename d6790a70782832b4ca600ec00f9bf96fe6e2198e.zip Filesize 1.7 GiB Identifier iPad4,1
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