All product warranties are expressly handled by the manufacturer of purchased product, and are not the responsibility of Scan Tool Depot. Any customer needing assistance with a warranty situation will be required to reach out to the manufacturer of said product for further assistance: 

TopDon - https://m.topdon.com/support_warranty.html

Xtool - https://www.xtooltech.com/US/ContactUs.html

Bartec - https://store.bartecusa.com/returns-policy

Launch Tech USA - https://www.launchtechusa.com/support

Autoline Pro (Smoke Machines) - https://www.autolinepro.com/policies/refund-policy

ThinkCar - https://thinkcarus.com/pages/contact-us