http://jingyan.baidu.com/article/a3aad71aa58efbb1fa00967c.html
http://act.feng.com/wetools/index.php?r=iosRom/index/mid/10
http://bbs.feng.com/read-htm-tid-6686708.html
ipad itunes 恢复
原文：http://www.cnblogs.com/qiangxia/p/5471062.html
