iOS 14.2 / 12.4.9 停止驗證 (回不去了) - iOS

iOS 14.2 - 18B92 stopped being signed for 6 devices
iPad Air 3 (WiFi),
iPad Pro 9.7-inch (WiFi),
iPad Pro 12.9-inch (WiFi),
iPad Pro 2 (12.9-inch, WiFi),
iPad Pro 4 (12.9-inch, WiFi) and
iPhone SE

iOS 12.4.9 - 16H5 stopped being signed for 3 devices
iPad Mini 3 (Cellular),
iPad Mini 3 (China) and
iPhone 5s (GSM)

iOS 14.2.1 - 18B121 stopped being signed for 1 device
iPhone 12 mini

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