How do I fix Samsung TV error STCF-1103 when connecting to the internet?
Answer
STCF-1103 on Samsung TVs usually points to a network path problem between the TV and the internet gateway. Power-cycle the TV and the modem/router in the correct order, reconnect Wi-Fi or ethernet, and retry. If the code remains, forget the network and set DNS/IP automatically.
Before you start: stop right away if…
- Do not share Wi-Fi passwords with unexpected callers offering to fix TV network errors remotely.
Follow these steps
Power-cycle the TV
Unplug the Samsung TV for a full 60 seconds, then plug it back in and power on—do not reconnect to the network yet if setup asks.
You should see: TV restarts to the Home screen without relying on a stale session.
Restart the modem/router
Unplug the ET2251 (or your modem/router) for 60 seconds, plug it back in first, and wait 3–5 minutes until the internet light is steady.
You should see: Gateway shows online internet status.
Reconnect the TV network
On the TV, open Network settings, connect to Wi-Fi or ethernet again, and run the connection test.
You should see: The test passes and STCF-1103 no longer appears.
Forget network and use automatic IP
If the code persists, forget the Wi-Fi network, reconnect, and ensure IP/DNS settings are set to automatic/get automatically.
You should see: A fresh network profile connects successfully.
Not sure this is the right page? Check here
0 of 5 checked
Extra tips
What to look for: On-screen code STCF-1103, modem/router internet light state, and whether other devices browse successfully on the same network.
Before you change anything: Note whether other devices still have internet. Have the Wi-Fi password ready. Avoid factory-resetting the TV first. Use official Samsung network screens only.