免费送手机，是保单尾号比如6666，8888这种特殊保单号段才送的，并且如果中奖短信发出，自己不兑换，也没有人提醒的。
Getting mobile phone for free means only policy ending with special numbers such as 6666 and 8888 can get a free phone, and no one will remind you again if the text message is sent to you and you don’t redeem it yourself.