REMOTE MUST BE EXACTLY SAME (FUNCTION TO FUNCTION) AS PER YOUR OLD/ORIGINAL REMOTE, PLEASE MATCH PROPERLY BEFORE ORDERING. IF DIFFERENT, IT WON'T WORK. ELSE SEND OLD REMOTE PICTURE FOR VERIFICATION AT UPIX HELPLINE NUMBER OR EMAIL. Upix Remote is a complete tool equipped with different controls and buttons to operate your Koryo AC swiftly and effectively. It facilitates you to operate your device from the comfort of sofa, divan or bed due to its long distant range from any corner of room space. It has an ergonomic design with light weight to offer you an easy grip of use. This product is genuine, compatible and operates very well. It is made by genuine Indian registered brand with proper quality check and assurance. If this product doesn't work with your gadget, then customer can return it within 07 days of buying with proper packing, hence it reaches us in good condition. It's not necessary that item not useful for you, won't be of use to any other customer. As per return policy, the product is returnable only if it has any manufacturing or technical defect. The return policy doesn't cover any breakage, burnt (internal and/or external), physical damage. https://youtu.be/YsJaiXtrn_0