Samsung J620D Series User Manual
![Samsung J620D Series TV manual cover](/images/vNIAtjMCGhyUArGsqDuLModM/thumbs/thumb175x175.webp)
To connect your Samsung J620D TV to Wi-Fi, navigate to Settings > Network > Network Settings, then select Wireless. Choose your Wi-Fi network from the list and enter the password.
If your TV won't turn on, check that it's plugged in and the power outlet is working. Try using the power button on the TV instead of the remote. If it still doesn't turn on, unplug the TV for 30 seconds, then plug it back in.
To update the software, go to Settings > Support > Software Update > Update Now. Ensure the TV is connected to the internet.
Check if the source device's resolution matches the TV's resolution settings. Go to Settings > Picture > Picture Size Settings and adjust accordingly. Also, ensure cables are correctly connected.
To reset your TV, go to Settings > Support > Self Diagnosis > Reset. Enter your PIN, then select Yes. This will restore factory settings.
To enable closed captions, press the Menu button, then go to Settings > Accessibility > Caption Settings, and turn captions on.
Use a soft, lint-free cloth slightly dampened with water or a screen cleaner. Gently wipe the screen, avoiding harsh chemicals and excessive pressure.
Use an HDMI ARC port or an optical audio cable to connect external speakers. Ensure the TV audio output settings match your connection choice.
Check the volume settings and ensure the TV isn't muted. Verify that external audio devices are connected properly and the correct audio output is selected.
Yes, download the SmartThings app on your smartphone, connect it to the same Wi-Fi network as the TV, and follow the in-app instructions to pair the devices.