https://bearboss.blog/2009/01/23/iphone-3g-%e6%95%97%e5%ae%b6%e6%97%85%e9%80%94%e7%ac%ac%e4%b8%89%e7%ab%99%ef%bc%9akkbox-%e5%8d%81%e5%a4%a9%e9%ab%94%e9%a9%97%e5%ba%8f%e8%99%9f%ef%bc%88%e5%85%8d%e8%b2%bb%e7%9a%84%ef%bc%89/