https://news8.de/esim-%ec%8b%9c%ec%9e%a5-%ec%a1%b0%ec%82%ac-%eb%b0%8f-%ea%b0%9c%eb%b0%9c-2031%eb%85%84%ea%b9%8c%ec%a7%80%ec%9d%98-%eb%af%b8%eb%9e%98-%ec%a0%84%eb%a7%9d-%eb%b6%84%ec%84%9d/