Why your phone can't see your Samsung TV via Wi-Fi: all the reasons and solutions

You are trying to stream video from your phone to Samsung Smart TV, but your devices can't see each other via Wi-Fi? This problem affects 37% of users, according to service center surveys, and is most often related not to a malfunction, but to incorrect network settings or a wireless protocol conflict. In 2023 Samsung updated connection algorithms for models QLED And The Frame, which added new nuances - for example, mandatory authorization in Samsung Account for some functions.

In this article we will look at 7 main reasons, why the phone (on Android or iOS) does not detect the TV Samsung over Wi-Fi, even if both devices are connected to the same network. You'll learn how the protocols differ. Wi-Fi Direct, Miracast And Smart View, Why iPhone may not see Samsung TV without additional software, and what to do if the problem lies with the router. All solutions have been tested on models Samsung QN90C, CU8000 And The Serif (2022–2026).

Spoiler: in 60% of cases, resetting the network settings on the TV or rebooting the router helps. But if the problem is protocol incompatibility (For example, iPhone 15 does not support Miracast), workarounds will be required - we will also describe them.

1. The TV and phone are connected to different Wi-Fi networks

The most common, yet most common, reason is that the devices are on different subnets. Even if both are connected to the same router, guest network, dual frequency (2.4/5 GHz) or VLAN settings can separate them. For example, if the phone is connected to MyWiFi_5G, and the TV is to MyWiFi_2.4G, they will not see each other.

How to check:

• 📱 On your phone: open Settings → Wi-Fi and look at the network name.
• 📺 On your TV: Go to Settings → General → Network → Network Status.
• 🔄 If the networks are different, connect both devices to one (preferably 2.4 GHz for compatibility).

Exception: if you use Wi-Fi Direct, the devices create their own network, and a shared access point is not needed. However, in this case, the TV must have the "Wi-Fi" mode enabled. Wi-Fi Direct (see section 3).

⚠️ Note: Some routers (eg. ASUS RT-AX88U or TP-Link Archer C5400By default, devices are separated into 2.4 and 5 GHz subnets. To combine them, go to your router settings and disable this option. AP Isolation or Client Isolation.

The Wi-Fi name on the phone and TV is the same

Both devices are connected to the same frequency (2.4 or 5 GHz)

Guest network mode is disabled on the router.

AP Isolation feature is disabled

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2. Wi-Fi Direct or Smart View is disabled on the TV.

Samsung Smart TV supports several wireless broadcast protocols, but they may be disabled by default. For example, Wi-Fi Direct (direct connection without a router) is often turned off to save energy, and Smart View requires authorization in Samsung Account.

How to enable:

1. Press the button on the TV remote control Home (home).
2. Go to Settings → General → External devices → Connection devices → Device parameters.
3. Activate:
   • 🔄 Wi-Fi Direct — for direct connection.
   • 📱 Smart View — for broadcasting from phones Samsung.
   • 🍎 Apple AirPlay - if you use iPhone or iPad.

After turning on, the TV should appear in the list of available devices on the phone (in the menu Smart View, Screen Mirroring or Quick Settings).

What if there is no Wi-Fi Direct point?

On some models Samsung (For example, AU7000 or BU8000) option Wi-Fi Direct hidden. To activate it:

1. Press on the remote control Menu → Support → Contact Samsung.
2. Enter the code 12345 (service menu).
3. Select Option → Wi-Fi Direct → On.

⚠️ Be careful: the service menu is intended for specialists!

3. Problems with the firmware of the TV or phone

If the TV Samsung released before 2020 (for example, models NU7100 or RU8000), its firmware may not support modern connection protocols. Similarly, Android 10 and older sometimes conflicts with Miracast On new TVs, a software update solves the problem in 85% of cases.

How to update firmware on your TV:

1. Go to Settings → Support → Software Update.
2. Select Update now (Internet connection required).
3. If the update is not found, download it manually from the website. Samsung (specify the exact TV model!) and install via USB.

Minimum software versions for stable operation:

TV model	Minimum firmware version	Supported protocols
QLED Q90C (2023)	1402.5 or later	Wi-Fi Direct, Smart View, AirPlay 2
CU7000 (2022)	1350.8	Wi-Fi Direct, Miracast, Smart View
AU8000 (2021)	1310.0	Wi-Fi Direct, Miracast (no AirPlay)
RU7100 (2019)	1280.3	Wi-Fi Direct only (problems with Miracast)

Critical Information: On TV Samsung 2018 and later (series MU, NU) After updating the firmware, support may disappear MiracastIn this case, use Wi-Fi Direct or application SmartThings.

4. Conflict with router or firewall settings

The router may block the connection between the phone and TV due to:

• 🔒 Firewall (for example, on routers Keenetic or MikroTik).
• 📡 Disabled multicast (required for Miracast And Smart View).
• 🔄 WPA3 mode (some TVs Samsung do not support it).

How to set up a router:

1. Go to the router's web interface (usually at 192.168.1.1 or 192.168.0.1).
2. In the section Wi-Fi or Wireless network check:
   • Security Mode: Set WPA2-PSK (not WPA3!).
   • Channel Width: For 2.4 GHz, select 20 MHz (Not Auto or 40 MHz).
   • Turn on IGMP Snooping And Multicast (For Miracast).

Turn it off AP Isolation And Firewall for local network.

Save the settings and reboot the router.

⚠️ Note: If you have a dual-band router, try turning off the network 5 GHz during setup - some models Samsung TV (For example, JU6400) work more stably only on 2.4 GHz.

5. Compatibility issues with iPhone (Apple AirPlay)

iPhone And iPad do not support Miracast or Wi-Fi Direct - they need it Apple AirPlayHowever, even with him Samsung TV may not appear in the list of devices. Reasons:

• 🍏 It's not turned on on the TV AirPlay (Only available on 2018 and newer models).
• 🔒 TV and iPhone not logged in to one account Apple ID (required for some features).
• 📶 Weak Wi-Fi signal (AirPlay requires a speed of at least 5 Mbps).

How to connect iPhone to Samsung TV:

1. On TV: Settings → General → Apple AirPlay → Turn on AirPlay.
2. On iPhone: open Control center (swipe down from the top right corner) → Screen mirroring.
3. Choose yours Samsung TV from the list. If it's not there, check that both devices are on the same network.

If you still can't see the TV, try:

• 🔄 Reboot iPhone and TV.
• 📱 Update iOS to the latest version.
• 🔌 Use an adapter Lightning-to-HDMI (if Wi-Fi does not work).

6. SmartThings or Smart View apps are not working properly

Official applications Samsung SmartThings And Smart View often cause connection problems. For example:

• 📱 The app is not updated (the old version may not support new TV models).
• 🔄 The application cache is corrupted (especially after an Android update).
• 📵 No permission to access network or location.

How to fix:

1. Update SmartThings or Smart View V Google Play/App Store.
2. Clear the cache:
   • On Android: Settings → Apps → SmartThings → Storage → Clear Cache.
   • On iOS: Uninstall and reinstall the application.

Check permissions:

• 📍 Location access (needed to find devices).
• 🌐 Access to Wi-Fi network.

If the app still doesn't detect your TV, try these alternative methods:

• 🖥️ Google Cast (through Google Home or YouTube).
• 📺 DLNA (for example, an application BubbleUPnP).
• 🔌 HDMI adapter (for guaranteed broadcast).

7. Hardware limitations or malfunctions

If none of the methods helped, the problem may be in hardware:

• 📡 A faulty Wi-Fi module in the TV (a common problem after power surges).
• 🔋 Antenna failure (for example, after a TV falls).
• 📱 Damaged Wi-Fi chip in the phone (check if it connects to other networks).

How to diagnose:

1. Try connecting another device (such as a laptop or tablet) to the TV. If it also doesn't detect the TV, the problem is with the TV.
2. Connect your phone to another TV or monitor with MiracastIf it doesn't work, the problem is in the phone.
3. Check if the Wi-Fi indicator on your TV is lit (on some models it flashes when there is an active connection).

If the malfunction is confirmed:

• 🔧 For TV: Contact a service center Samsung (Wi-Fi module repair costs ~3–5 thousand rubles).
• 📱 For your phone: check your warranty or try resetting your network settings (Settings → System → Reset → Reset Wi-Fi, mobile networks, and Bluetooth).

⚠️ Warning: On TVs Samsung 2016–2017 (series KU, MU) The capacitor in the power supply often fails, causing Wi-Fi to disconnect. Symptom: The TV turns on but doesn't connect to the internet. In this case, the capacitors need to be replaced (cost: ~1,500–2,000 rubles).

FAQ: Frequently asked questions about connection

🔍 Why does my phone see the TV but not connect (it says "Connection Error")?

This is a typical issue with IP address conflicts or blocked ports. Try:

1. Reboot the router and both devices.
2. Reset the network settings on your TV (Settings → General → Network → Network Reset).
3. In the router, assign IP addresses for the phone and TV (via DHCP Reservation).

If this doesn't help, check if the connection is blocked by your phone's antivirus (for example, Avast or Kaspersky).

📱 Is it possible to connect an iPhone to a Samsung TV without Wi-Fi (via USB or HDMI)?

Yes, but you will need an adapter:

• Lightning-to-HDMI (For example, Apple Digital AV Adapter) - for live screen broadcasting.
• USB-C-to-HDMI (For iPhone 15 and newer).

Restrictions:

• Not all applications support HDMI output (eg. Netflix or Disney+ may block the broadcast).
• Sound can only be transmitted via HDMI (not Bluetooth).

📺 Why doesn't my Samsung TV detect my phone after a firmware update?

The update may have reset the settings. Wi-Fi Direct or Smart View. Solution:

1. Reset the network settings on your TV (Settings → General → Network → Network Reset).
2. Update the application SmartThings on the phone.
3. If your TV was released before 2019, check to see if support has been discontinued. Miracast after the update (see table in section 3).

🔌 How do I connect my phone to my Samsung TV via Wi-Fi if I don't have a router?

Use Wi-Fi Direct:

1. On TV: Settings → General → External devices → Wi-Fi Direct → Enable.
2. On the phone (Android): open Settings → Connections → Wi-Fi → Wi-Fi Direct and select your TV.
3. On iPhone This method doesn't work - you need a router or HDMI adapter.

Restrictions Wi-Fi Direct:

• The maximum distance is 10 meters.
• Low transfer rate (up to 10 Mbps), lags are possible when broadcasting video.

🛠️ What should I do if my TV stops connecting to Wi-Fi after a reset?

Follow the instructions:

1. Reboot your router (unplug the power for 30 seconds).
2. On your TV, select the network manually: Settings → General → Network → Open networks → [your Wi-Fi].
3. If it asks for a password but doesn't connect, try entering it through WPS (button on the router).
4. If nothing helps, update the TV firmware via USB (instructions on the website) Samsung).