1、如果二手苹果手机用的时间不长,还在保修期以内,各方面性能都还良好,那还是值得购买的,如果二手的苹果手机使用有段时间了,内部的主板和电池都老化,那就最好跳过这样的选择。2、检查外观,有无磕碰和划痕、[详细]
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