求助呀！！！iphone一代怎样替换home键呀

iphone

看这个 iphone.com/read-htm-tid-3463454-page-1.html#44150016的4楼">http://bbs.weiphone.com/read-htm-tid-3463454-page-1.html#44150016的4楼，基本上到了home键的拆卸步骤了