If you're having issues with the physical remote, please try replacing the batteries first.

If it still doesn't work and appears to be dead, broken, or faulty, you can order a replacement remote from the link below or purchase a similar compatible model:

https://shopee.sg/Universal-2.4G-Wireless-Air-Mouse-Keyboard-Remote-Control-with-USB-Receiver-for-Android-TV-Box-Smart-TV-Windows-PC-i.313937852.44378569247?extraParams=%7B%22display_model_id%22%3A435523355394%2C%22model_selection_logic%22%3A3%7D