Xiaomi Hotline and Email can support Xiaomi product question consultation and after-sales service question consultation, and TV onsite repair request. For mobile phone and ECO product's repair, please contact Xiaomi Service Center for help.Hotline: 1800400410 (Mon-Fri 9:00-18:00)Email: service.vn@support.mi.comIf your Xiaomi products have problem that need repair service, the Customers should bring the purchace invoice or receipt, then find the nearest Xiaomi Service Center on https://www.mi.com/vn/support/repair/ . Bring the product to the Xiaomi Service Cnerter for repairs during the business hours. If the Customer need pick-up service, he/she can call any of Xiaomi Service Center for help.Term and condition for warranty policy :https://www.mi.com/vn/support/warranty