https://purengom.com/2017/11/01/%ec%95%a0%ed%94%8c-%ec%88%9c%ec%a0%95-iphone-x-%ea%b0%80%ec%a3%bd-%ed%8f%b4%eb%a6%ac%ec%98%a4-%eb%8f%99%ec%98%81%ec%83%81/