Bind your email in the software, and after you settle the account, you can send it to your email through the electronic settlement certificate in the registered mobile APP at that time.
If you can't find the electronic bill in your mobile phone, you can call the customer service hotline, which is Xiaomi Financial Customer Service, and ask the customer service to help you find it and send it to your mailbox.
Electronic settlement voucher is an important voucher, so it is recommended to keep it properly to prevent future troubles.