https://blog.wongcw.com/2021/09/29/%e6%8b%86%e8%a7%a3%e5%a0%b1%e5%91%8a%e8%ad%89%e5%af%a6iphone-13-pro%e9%81%b8%e7%94%a86gb-lpddr4x%e8%a8%98%e6%86%b6%e9%ab%94/