https://blog.wongcw.com/2019/03/25/%e5%af%a6%e6%b8%ac%ef%bc%9aipad-mini-4%e7%9a%84%e4%bf%9d%e8%ad%b7%e6%ae%bc%e7%84%a1%e6%b3%95%e8%88%87%e7%ac%ac%e4%ba%94%e4%bb%a3%e5%ae%8c%e7%be%8e%e9%81%a9%e9%85%8d/
實測:iPad mini 4的保護殼無法與第五代完美適配