推荐回答（1个）
不用保修卡也可以保修。
手机售后没有保修卡的情况下：没有保卡可以保修，提供购机发票即可，如果没有发票售后可根据手机机身出厂时间计算15个月保修期。如果有小米官网购买的手机，售后可查询到签收日期，按签日期计算1年保修期。因产品本身质量问题引起的软件或硬件故障,可提供免费保修服务。
需要符合以下条件：①在1年保修期内。②产品封机易碎标损坏、人为损坏、摔坏、入液、受潮、防水标签变色，自行改装或拆卸的产品，不享受保修服务。③自行刷机或者破解产品系统，所引起的故障，不享受保修服务。
小米之家是小米手机公司成立的直营客户服务中心，不负责任何与经济挂钩的业务，其目的是为广大米粉提供小米手机及其配件自提，小米手机的售后维修及技术支持等服务，是小米粉丝的交流场所。
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