Fastbotttbottttbottttttbottttttttttbottttttbottttttbottttttttttttttbotttttttttttttttttttttttttttbotttttttbotttttttttbotttttttttttttttttttttbottttttbotttttttttttttttttttttttttttbottttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttbotttttttttttttttttttttttttttttttttttbottttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttbottttttttttttttttttttttttt在安卓手机中，fastboot是一种比recovery更底层的刷机形式。fastboot是一种用USB数据线连接手机的刷机形式。recovery是一种卡刷，即将刷机包放在sd卡上，然后在recovery中刷机。