卖了一个brand new factory sealed tablet, 买家打开试了试，说是randomly freeze
， opened a case saying "not as described". 今天刚收到退货，我试了试，没有任
何问题啊。这种情况咋办， 认了？ 还是另open case "The buyer returned an item
in a different condition than the way the buyer received it". 要15%的restock
fee?
谢谢！
