If you bought it online you can download the invoice from the respective website. If you bought offline, contact the dealer and they may ask the serial number or whatever they might have saved in their records. They will give you another proof of purchase. This way you can claim your warranty.
We would request you to register your concern in Samsung Members Application. So, that our concern team gets back to you as soon as possible.
Please follow this path to register your concern in Samsung Members Application (Open Samsung Members Application > Get help > Send Feedback >Ask questions).
