A universal remote has to learn which command set your TV understands before power, volume, input, and channel buttons will work. Most physical universal remotes do this with either a brand code or an automatic code search.
These instructions apply to standard store-bought universal remotes for common TV brands such as Samsung, LG, Vizio, TCL, Sony, Hisense, and others. App-based remotes usually use Wi-Fi setup instead of code programming.
Does this affect you?
Use this guide if you replaced a lost remote, bought a new universal remote, or have a remote that powers the TV but does not control every button correctly.
Program the remote with a code
This is fastest if you have the remote’s manual or code list.
- Turn on the TV.
- Point the universal remote directly at the TV.
- Find the Setup, Code Search, or TV programming button on the remote.
- Hold Setup until the status light turns on or blinks steadily.
- Press the TV button if your remote requires a device type.
- Enter the first four-digit code listed for your TV brand.
- Press Power. If the TV turns off, save the code using Setup, Enter, or the confirmation button listed in the manual.
If the TV does not respond, repeat the process with the next code for your brand. Many brands have several codes because different model years use different command sets.
Use automatic code search
Auto-search is slower but useful when the code list is missing.
- Turn on the TV and point the remote at it.
- Hold Setup until the status light turns on.
- Press TV.
- Start code search using the button combination in your remote manual, often Power or Setup + Power.
- Watch the TV carefully as the remote cycles through codes.
- When the TV turns off, immediately press Stop, Enter, or the listed save button.
This can take several minutes because the remote may test hundreds of codes. If you miss the moment the TV responds, run the search again.
If only some buttons work
A code can be close but not perfect. If Power works but Volume, Input, or Channel buttons do not, try the next code for the same TV brand rather than assuming the remote is defective.
For the shortest list, check the TV model number on the back panel or in Settings > About, then use the remote maker’s online code lookup if available.
Check the basics
Install fresh batteries in the correct direction and remove any plastic pull-tab from the battery compartment. Make sure there is a clear line of sight to the TV’s infrared sensor, usually a small dark window along the bottom bezel.
If you are using a phone app instead of a physical universal remote, look for Add Device or Discover in the app. Smart TV apps usually pair over Wi-Fi and require the phone and TV to be on the same network.
Sources
- Samsung Support – Program a universal remote to your TV (2025)
- LG Support – Universal remote control codes for LG TVs (2025)
- Vizio Support – Set up a universal remote (2025)