Connecting the Honor 9A to a TV via Wi-Fi: All the Methods and Nuances

Wirelessly streaming your smartphone's screen to a big-screen TV has become an integral part of the modern multimedia experience. Honor 9A at the base Android 10 with shell Magic UI 3.1 may encounter nuances when trying to connect to TV via Wi-Fi - from the lack of a built-in function Screen Mirroring to compatibility issues with older TV models. This article will help you understand all available methods: from the standard Miracast to alternative solutions like DLNA or third-party applications.

It's important to understand that successful connection depends not only on your smartphone's settings, but also on your TV's capabilities. Modern Smart TV (2018 and newer) from Samsung, LG, Sony or Xiaomi They typically support wireless projection out of the box, while budget models may require additional hardware. We'll cover all scenarios—from simple screen mirroring to lag-free streaming of individual files.

If you have previously tried to connect and encountered errors like "Failed to connect to the device" or"The device is not supported", in the article you will find Unique solutions for the Honor 9A, which are rarely mentioned in standard instructions - for example, forcing the developer mode to activate hidden broadcast features.

1. Checking the compatibility of the TV and Honor 9A

Before you begin setting up, make sure your TV supports at least one of the wireless broadcast protocols. Honor 9A can work with the following standards:

  • 📺 Miracast (built into Android, but can be disabled by the manufacturer)
  • 🎬 DLNA (for transferring media files, without screen mirroring)
  • 🔄 Google Cast (requires support) Chromecast or a built-in module in the TV)
  • 📱 Manufacturer's protocols (For example, Samsung Smart View or LG Screen Share)

To check support on your TV:

  1. Open the TV menu and look for sections like"Net","Wireless projection" or"Screen Mirroring".
  2. Look for references in your TV manual Wi-Fi Direct, Miracast or Wireless Display.
  3. If the TV was released before 2016, the probability of built-in Miracast support is close to zero - you will need prefix (For example, Amazon Fire Stick or Google Chromecast).
📊 What brand is your TV?
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A critical nuance for the Honor 9A: in some regional firmwares the function Wireless display (Wireless Display) is hidden in the developer menu. If you don't find it in the default settings, it doesn't mean it's not supported—it just needs to be activated (more on this in section 3).

⚠️ Attention: TVs with operating system Tizen (For example, Samsung QLED 2020-2023) can block the connection of devices based on Android 10 and lower for security reasons. In this case, updating the TV firmware or using third-party apps will help.

2. Preparing the Honor 9A for wireless connection

Before attempting to broadcast, please perform basic settings on your smartphone:

Turn on Wi-Fi and connect to the same network as the TV

Update firmware to the latest version (Magic UI 3.1.1 or later)

Disable power saving mode (may interrupt streaming)

Remove VPN or proxy servers (interfere with local device detection) -->

Pay special attention to the following parameters:

  • 🔋 Power saving mode: go to Settings → Battery → Power saving mode and turn it off. Otherwise, your smartphone may automatically disconnect after 5-10 minutes of inactivity.
  • 📡 Local area network: TV and Honor 9A must be connected to one Wi-Fi networkIf the TV uses an Ethernet cable and the phone uses mobile data, streaming will not work.
  • 🔒 Permissions: V Settings → Applications → Permissions check that the system application"Wireless display" (if any) network and location access is allowed.

For stable operation it is recommended:

  • Use a router that supports the standard Wi-Fi 5 (802.11ac) - this will reduce the delay when broadcasting video.
  • Disable the "" function on the router"Isolation of clients" (Client Isolation), if active, it blocks the interaction of devices on the local network.
  • Switch your TV and smartphone to "mode"Do not interrupt the connection" (on some TVs it's called)Game mode").
⚠️ Attention: If your router uses dual band (2.4GHz and 5GHz), make sure both devices are connected to the same laneA mixed connection (for example, TV on 2.4 GHz and phone on 5 GHz) may cause detection issues.

3. Activate the hidden Wireless Display feature on the Honor 9A

In some firmware Honor 9A option Wireless display is missing from the main menu. To enable it:

  1. Activate developer mode:
    Settings → About phone → Build number (press 7 times in a row)

    After the notification appears"You have become a developer" return to the main settings menu.

  2. Go to Settings → System → Developer options.
  3. Find the option"Wireless display" (Wireless Display) and turn it on.
  4. If the option is missing, check for firmware updates or use alternative methods (section 5).

Once activated, a button will appear in the quick settings panel (swipe down from the top edge of the screen)Transmit" or"Screen Mirroring" Click on it to start searching for available devices.

What should I do if developer mode won't turn on?

If after 7 clicks on"Build number"The notification doesn't appear, try:

1. Restart your smartphone.

2. Make sure you click on the correct line"Build number", and not on"Phone model".

3. Check if your antivirus (for example, Avast or 360 Security) access to system settings. Temporarily disabling your antivirus may help.

A Unique Life Hack for the Honor 9A: if after switching on Wireless Display The TV is not detected, try adding the device manually via Settings → Connections → Other settings → Wireless display → Add manuallyEnter the IP address of your TV (you can find it in its network settings).

4. Step-by-step instructions for connecting via Miracast

If your TV supports Miracast, follow these instructions:

  1. On TV:
    • Open the menu and select"Source" (Source).
    • Find the option"Screen Mirroring","Wi-Fi Direct" or"Miracast".
    • Activate connection standby mode (on some TVs you will need to confirm permission to connect a new device).
  • On Honor 9A:
    • Open the quick settings panel and tap"Transmit" (or"Screen Mirroring").
    • From the list of available devices, select the name of your TV.
    • Confirm the connection on both devices (you may be asked to enter the PIN code displayed on the TV).

    After 5-15 seconds, your smartphone's screen should appear on your TV. Possible broadcast modes:

    Mode Description Delay Suitable for
    Duplication Full phone screen copy 100-300 ms View photos, presentations
    Extension TV as a second screen 200-500 ms Multitasking, games with support
    Audio only Broadcasting audio without video 50-100 ms Music, podcasts
    Game Optimized for low latency 30-80 ms Cloud gaming, online video

    Typical problems and solutions:

    • 🔴 No sound: On your TV, in the sound settings, select "HDMI ARC" or"External speaker".
    • 🟡 Video delay: Reduce the broadcast resolution in the settings Wireless Display (select 720p instead of 1080p).
    • 🟢 Connection breaks: Disable the "" function on your router"Load balancing" (Load Balancing).

    5. Alternative connection methods (if Miracast doesn't work)

    If standard Miracast If your device is not available or is unstable, consider these options:

    5.1 Using Google Cast (Chromecast)

    This method will require:

    • TV with support Google Cast (or prefix Chromecast).
    • Application Google Home on Honor 9A.

    Instructions:

    1. Connect Chromecast to the TV's HDMI port and set it up through the app Google Home.
    2. In an app that supports broadcasting (eg. YouTube or Netflix), click the icon"Cast" and choose yours Chromecast.
    3. To duplicate the entire screen, use the "Transmit screen" V Google Home.

    5.2. DLNA Applications (LocalCast, BubbleUPnP)

    If you only need to stream media files (photos, videos, music) and not the entire screen:

    1. Install on Honor 9A application LocalCast or BubbleUPnP.
    2. Turn on the function on your TV DLNA (usually in the section"Net" or"Media server").
    3. In the app on your phone, select the file to stream and specify your TV as the output device.

    5.3. Direct connection via Wi-Fi Direct

    Some televisions (eg. LG Smart TV) support Wi-Fi Direct - direct connection without a router:

    1. Activate on TV Wi-Fi Direct and write down the PIN code displayed.
    2. On Honor 9A go to Settings → Connections → Wi-Fi → Wi-Fi Direct.
    3. Select your TV from the list and enter the PIN code.
    4. Once connected, use apps like Send Files to TV for file transfer.

    6. Streaming optimization: how to reduce latency and lag

    Even after successful connection, users Honor 9A Frequently encounter image lag or stuttering. Causes and solutions:

    Problem Cause Solution
    Latency 300+ ms Weak Wi-Fi signal Move the router closer to the TV or use a signal repeater.
    Torn video Network congestion Disable it on your router QoS or limit bandwidth for other devices.
    No sound Incompatible codecs In the broadcast settings, select PCM instead of Dolby Digital.
    Connection breaks Energy saving on TV Turn off the "mode" on your TV.Eco" or"Auto power off".

    Additional tips for gamers and streamers:

    • 🎮 Games: use the "mode"Game" in the broadcast settings (if available) or reduce the resolution to 720p.
    • 📹 Streaming: For Twitch or YouTube It's better to broadcast directly from your phone to the platform rather than through TV.
    • 🔊 Sound: If the audio and video are out of sync, try changing the audio buffer in the broadcast app settings.
    How to check broadcast latency?

    Download on Honor 9A application Screen Latency Tester (available in APKPure). Run the test while simultaneously recording your TV screen with a camera. The time difference between your actions on your phone and the display on your TV is your latency. Normal values:

    - For video: up to 200 ms.

    - For games: up to 50 ms.

    7. Solving common errors

    If the connection fails, please use this error table:

    Error Possible cause Solution
    Failed to connect to the device Incompatible protocols Update your TV firmware or use Chromecast.
    The device is not supported Old TV (before 2016) Buy an adapter Miracast for HDMI port.
    The signal is too weak Long distance to the router Use a mesh system or Wi-Fi repeater.
    No sound during broadcast The wrong audio source is selected on the TV. In the TV menu, select HDMI or External speakers.
    The phone screen doesn't fit on the TV. Incorrect aspect ratio On Honor 9A In the screen settings, select 16:9.

    If the error is not listed in the table:

    1. Restart both your phone and TV.
    2. Reset network settings on Honor 9A (Settings → System → Reset → Reset network settings).
    3. Check if it is blocking the connection VPN or firewall (For example, NetGuard).
    ⚠️ Attention: On some TVs Samsung With Tizen After updating the firmware, support may disappear Miracast for devices on Android 10In this case, the only thing that will help is rolling back the TV firmware or using Google Cast.

    FAQ: Frequently asked questions about connecting the Honor 9A to a TV

    Is it possible to connect the Honor 9A to an old TV without Smart TV?

    Yes, but additional equipment will be required:

    • 📦 Miracast adapter (For example, Microsoft Wireless Display Adapter) - connects to the HDMI port.
    • 📡 Android TV Box (For example, Xiaomi Mi Box S) — turns a regular TV into a Smart TV.
    • 🖥️ Chromecast set-top box - for broadcasting via Google Cast.

    The cost of such devices starts at 1,500 rubles. Before purchasing, check whether the adapter supports it. Android 10.

    Why is there no sound when connecting via Miracast?

    This is an audio codec incompatibility issue. Solutions:

    1. On your TV, select the format in the sound settings. PCM instead of Dolby Digital.
    2. In the broadcast settings on Honor 9A disable the option"Transmit sound" and use external speakers.
    3. Update your TV's firmware—manufacturers often fix such bugs.

    If nothing helps, try streaming the audio separately through Bluetooth- a speaker connected to the phone.

    How to mirror Honor 9A screen to TV via USB?

    Honor 9A does not support direct screen sharing via USB (function MHL (absent). However, it is possible:

    • 📁 Transfer files via USB in "mode"File transfer" (MTP), and then open them on TV.
    • 🖥️ Use USB-OTG adapter with HDMI output (for example, USB-C to HDMI), but this does not guarantee work - support is required DisplayPort Alt Mode, which is not in Honor 9A.

    For full screen mirroring, USB is not suitable - use Wi-Fi or Wi-Fi Direct.

    Is it possible to play games from a phone on a TV without lag?

    Technically yes, but with some caveats:

    • 🎮 Local games (For example, Genshin Impact or Call of Duty Mobile) will work with a delay 100-300 ms, which is critical for shooters.
    • 🖥️ Cloud gaming (Xbox Cloud Gaming, GeForce NOW) It is better to broadcast directly to TV via the app, rather than via the phone screen.
    • ⚡ To reduce lags:
      • Use a router with support Wi-Fi 6.
      • Reduce the broadcast resolution to 720p.
      • Disable background apps on your phone.

    For serious gaming it is better to use Steam Link from a PC or console (PS5, Xbox Series X).

    How do I stop mirroring if the "Stop Mirroring" button doesn't work?

    If the screen Honor 9A It froze during broadcasting and doesn't respond to clicks:

    1. Press and hold the button nutrition on the phone for 10 seconds to force a reboot.
    2. If the phone does not respond, remove and reinsert the battery (if removable).
    3. On the TV in the menu Screen Mirroring select"Disconnect all devices".
    4. If nothing helps, reset the network settings on your phone (Settings → System → Reset → Reset network settings).