Samsung Smart TV Wi-Fi: model bands, setup and connection checks

Wi-Fi it needs

Samsung says the 2018 NU7100/NU710D, NU7200 and NU7300/NU730D models connect only to 2.4 GHz networks.

The QN90D product page lists Wi-Fi 5. A shared product family name does not establish the radio features of every region or model.

Check the model number and its own specifications before choosing a band. A network name is not reliable proof of which band is in use.

Samsung describes both wireless and wired connections. If Wi-Fi remains unstable, Ethernet is an option when the TV and network provide a suitable port.

Set it up

Samsung’s documented settings path applies to the interface shown in its support guide. Older TVs may use a different path.

1. Open Settings › All Settings on the TV.

2. Choose Connection › Network › Open Network Settings.

3. Select Wireless.

4. Select the Wi-Fi network name.

5. Enter the password and follow the prompts.

6. If the network is hidden, choose Add Network and enter its name.

Samsung says smart features may require a network connection, an account and acceptance of its terms. Review those prompts on the TV.

How much data it uses

Video quality, watch time and the selected app affect the amount used. Updates and other devices can also consume data.

A Mac’s bandwidth monitor measures that Mac’s traffic, not the TV’s. A router with per-device counters may show the TV’s connection.

The cited Samsung support pages do not publish data use per hour for a particular streaming quality. Streaming apps determine their own usage.

Guest, hotel and dorm Wi-Fi

The cited Samsung consumer setup guide does not establish support for every hotel or campus sign-in portal.

Ask the venue how its network handles TVs and whether a browser sign-in is required. Do not assume a network without a password is unrestricted.

A guest network may isolate devices. Samsung’s screen-mirroring instructions ask for the phone and TV to use the same Wi-Fi network.

The same network name does not guarantee discovery if the venue blocks communication between devices. Check its network rules.

When it won’t connect

Samsung recommends checking Network Status to see where the connection fails.

1. Open Settings › All Settings › Connection › Network › Network Status.

2. Check whether the TV reaches the router and the internet.

3. Check the same network on another device.

4. Confirm the TV supports the band used by that network.

5. Re-enter the network password and try again.

6. If available, test a different network such as a phone hotspot.

7. Contact Samsung or the network provider if the issue continues.

A hotspot comparison helps isolate the home network, but it does not identify a specific setting as the cause.

When it keeps going offline

An intermittent connection can come from signal, the router or the service being used. Test after one change at a time.

1. Check other devices for the same interruption.

2. Open the TV’s Network Status screen.

3. Check the router is powered and close enough to provide a usable signal.

4. Restart the network equipment using its manufacturer’s instructions.

5. Try Ethernet if your TV and router support it.

6. Check for TV software updates when the connection returns.

7. Use Samsung’s model-specific support if the TV remains offline.

Restarting a shared router interrupts other users. A factory reset is a separate action that can erase settings.

Questions

Sources

• Samsung: Connect your TV to the internet
• Samsung: Set up a network connection on your Smart TV
• Samsung: Troubleshoot Smart TV internet connectivity
• Samsung: QN90D product specifications
• Samsung: Screen mirroring

Checked on 2 November 2026.

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