https://3c.yipee.cc/110465/ios-11gm-%e7%a8%8b%e5%bc%8f%e6%b4%a9%e5%af%86%e6%96%b0%e5%90%8d%e5%ad%97%e3%80%8ciphone-x%e3%80%8d%ef%bc%8c%e6%90%ad%e8%bc%89-6-%e6%a0%b8%e5%bf%83-a11-%e6%99%b6%e7%89%87%e5%8f%8a-3gb-ram/