史上最便宜红米手机发布：549元 升级巨大
5月28日下午，红米K20系列发布会召开，除了红米K20 Pro和红米K20之外，还带来一款红米7A，售价仅549元起，成为史上最便宜红米手机。
根据发布会上发布的数据，截至2019年5月15日，红米6A全球出货量已达2260万台，京东好评度99%，而红米7A正是升级换代款，针对用户需求进行了大幅度升级。
红米7A配备5.45英寸HD高清全面屏，18:9经典比例，支持护眼模式和阳光屏。仅重165g，单手轻松掌控，整机生活防泼溅。
性能方面，红米7A搭载骁龙439八核处理器（红米6A搭载联发科Helio A22四核处理器），最高主频2.0GHz，安兔兔跑分74330，整体性能与骁龙615相当，同时电池容量也从上一代3000mAh升级到4000mAh，续航更持久，充电器也从5W升级到10W。
拍照方面，红米7A搭载前置500万像素摄像头，支持AI美颜自拍，支持人脸解锁；后置1300万摄像头，支持PDAF相位对焦。
此外，红米7A还具备亲情守护、极简桌面、大音量等多项贴心功能。
红米7A 2GB+16GB版售价549元，2GB+32GB版售价599元，今晚18点开始预约，6月6日上午10点首卖。
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