Will the return of Xiaomi router look at the serial number, Zhihu?

You can read. According to relevant public information, the return of Xiaomi router will look at the serial number. According to consulting Apple's customer service merchants, when sending Xiaomi products, the registered packaging will be automatically scanned to obtain the serial number. After the serial number of Xiaomi is produced, there will be a serial number sticker on the back of the serial number.