Two setting methods: (1) Set by code: After pressing the corresponding brand button for 3 seconds, the LED flashes for the third time and then releases. Enter a 3-digit code from the code list, if the code is correct, the LED light will turn off. Code error, LED light will still light upAbout batteries: do not mix old batteries with old batteries, or mix different batteries together If the remote control does not work during use, reinstall the battery Please replace the battery when the remote control is not sensitive (Not include battery)The remote control is light and compact, easy to grasp and has more complete functions. It is a good choice for you to replace the old or damaged remote control.If the listed TV brands do not meet your needs or you have any questions, you can directly contact us to help you inquire, and we will reply to you promptly within 24 hours. Your product user experience is very important to usUniversal replacemenremote control can be directly used for LG, Samsung, Philips, Panasonic, Sharp, TCL, Vizio, Sony, Sanyo, Toshiba, Maganvox, Hisense, JVC,Hitachi, Westinghouse, Vestel and Seiki Samrt TVs.(2)Brand search: after pressing the corresponding brand button for 5 seconds, the LED flashes for the third time, and the setting is completed(Including an instruction manual)