How to use Chromecast without WiFi 2022 [Mobile Internet Hack]

Chromecast devices are renowned for giving you the smart TV experience without spending a fortune. Most people use a Wi-Fi network to connect to their favorite Chromecast app. That said, if you’re having trouble with your Wi-Fi network, you can still use your Chromecast to cast from a mobile device. Let’s see how to use Chromecast without WiFi.

Key points to remember:

  • Guest mode is the easiest way to use Chromecast and stream content without a Wi-Fi connection. As a guest, you just connect to mobile data instead of the host’s WiFi.
  • An alternative option for a weak WiFi signal is a wired connection. For this you will need an Ethernet adapter and an Ethernet cable.
  • Unless you’re using Chromecast Ultra or Chromecast with Google TV, it can be difficult to find an official Chromecast Ethernet adapter. However, some other brands of Ethernet adapters claim to work with Chromecast and Firestick devices, so that’s still a avenue to explore.

Before trying to connect without WiFi, do some basic troubleshooting. Check your router for loose connections, or restart it if necessary. If you’re unlucky with that, there’s a really handy Chromecast feature that might help – it’s called “guest mode”. Read on for how to use it.

  • You can use Chromecast without Wi-Fi through the Guest mode setting or a wired internet connection. If you are using the guest mode option, you need a secondary device.

  • When the host turns on Guest mode, the Chromecast device emits its own WiFi beacon. Your device picks up this signal when you press “cast” in a Chromecast-enabled app. You can then stream from your iOS or Android device screen without connecting to WiFi.

  • Yes, if guest mode is enabled and you are the guest. You must be connected to the Internet in some way, be it another WiFi network, using mobile data or the hotspot of a mobile phone.

How to use Chromecast without WiFi in Guest mode (Google Home app)

Guest mode is pretty much what it says on the tin – when you turn it on, your Chromecast device emits its own WiFi beacon. This means that guests can connect to the Chromecast from an iOS or Android device without using the host’s WiFi network or knowing their password. The only problem here is that the host must be connected to their WiFi network to enable guest mode.

This can be problematic if you are the host, have not yet turned on guest mode, and find yourself without WiFi. However, if guest mode is already enabled on your primary device, you can use a second device and connect to the internet through mobile data, another phone’s hotspot, or another WiFi network.

Host Instructions

If you are the host, follow these instructions to enable guest mode for the first time and broadcast from another device. Please note that Chromecast with Google TV does not have guest mode (all other Chromecast models do).

  1. Open the Google Home app

    Open the Google Home app. Then, tap your device.

    google home application step one
  2. Go to settings ”

    In the upper right corner, you should see a “settings” icon. Tap the “Settings” icon.

    google home application step two
  3. Press “Recognition and sharing”

    In “Settings”, find and press “recognition and sharing” to access the guest mode settings.

    google home app step three
  4. Tap on “Guest Mode”

    Now you should be able to see your PIN in guest mode. Press “guest mode”.

    google home app step four
  5. Switch the Guest mode to “On”

    Press “on” to activate guest mode. If you can see the blue toggle from the start, you’ve already turned on guest mode at some point in the past.

    google home app step five

Instructions for guests

If you’re the guest, follow these steps to connect to your host’s Chromecast without Wi-Fi.

  1. (Android users only) Enable Chromecast Guest Mode

    This step is for Android devices only. Go to settings ” on your phone, press “Google”, then “Devices and sharing”, “Broadcast options” and finally “Guest mode”. IOS users can skip this and go straight to casting.

    Android settings for Chromecast guest mode
  2. The guest opens a Cast-compatible app

    Open a Chromecast app like YouTube and press the “cast” icon. Tap “nearby devices”. Follow the instructions on your phone screen. If the Chromecast doesn’t pair with your device at this point, continue to the next step.

    casting in guest mode
  3. Enter PIN code

    You may be invited to enter the host’s four-digit PIN code from their Google Home app. You can also find the guest mode PIN code in ambient mode.

    Chromecast guest mode pin

Google Support mentions that the guest can cast from Android 5.0 or higher or from iOS running 11.0 or higher. It also mentions that some apps on iOS devices may not work in guest mode.

Do I have to connect my Chromecast device to an Android phone?

Chromecast is designed to work with mobile devices. For this reason, you need it for casting, unless you are using Chromecast with Google TV. It can be an Android or iOS device. As mentioned, Chromecast with Google TV does not require a mobile device to stream content, although it is still recommended to use a mobile phone to set it up, and this is a strict requirement for other Chromecast models.

You cannot set up your Chromecast device with PC as it is no longer supported, but you can cast from your PC in Google Chrome browser.

Can I stream to TV without WiFi using mobile data

In short, yes. If you are using guest mode (as a guest), you still need to have some form of internet connection. You can connect to another Wi-Fi network that is not connected to the Chromecast device or you can use your mobile data. You cannot, however, set up your Chromecast with mobile data – you must be connected via WiFi (on the same WiFi network) or an Ethernet cable.

How to use Chromecast with an Ethernet internet connection

An Ethernet connection is a good alternative for a weak WiFi connection. It can boost your speeds and give you a smoother Chromecast experience. For this you will need a Chromecast Ethernet adapter and an Ethernet cable.

A discussion with Google Support confirmed that Google only sells Ethernet adapters for Chromecast with Google TV, and one comes with Chromecast Ultra. That said, a search on Amazon found aftermarket alternatives for other generations of Chromecast.

Please note, as these are not official Chromecast adapters, they may still not work with some models. If you want to take a tour, you can browse Amazon to see all of the unofficial adapters available and what they can do.

Follow these steps to use Chromecast with a wired internet connection instead of Wi-Fi.

  1. Plug the adapter into the USB port

    Make sure your Chromecast is plugged into your TV’s HDMI port. Connect the Ethernet adapter cable to the Chromecast port where you usually place your mini USB cable.

    chromecast with ethernet step one
  2. Connect your Ethernet cable

    Choose an Ethernet cable long enough to reach your router with an Internet connection. Plug your Ethernet cable into the Chromecast Ethernet adapter.

    Chromecast with Ethernet step two
  3. Plug the adapter into the power outlet

    When everything is connected, simply plug your Ethernet adapter into the power outlet you usually use for your Chromecast device.

    chromecast with ethernet step three
  4. Try streaming from a Chromecast app

    Use your mobile phone (iOS or Android device) to broadcast from a Google broadcast ready app. If you’re using Chromecast with Google TV, try casting something from the UI.

    chromecast with ethernet step four

If you’re having trouble, you may need to reset your Chromecast to factory settings. After that, you can set up the Chromecast again using your Ethernet internet connection with the Google Home app and an iOS or Android device. Just follow the onscreen instructions as you would with a WiFi setup. Learn more about setting up Chromecast in our Chromecast setup guide.

Final thoughts

Chromecasts are known for their ease of use, but troubleshooting isn’t always straightforward, as it is with the two Chromecast without WiFi methods in this guide. You may need to purchase additional parts and pieces if you don’t have them on hand. Likewise, not everyone has access to a second device for the guest mode trick.

That being said, if you’ve got everything you need, there’s no reason you can’t use Chromecast without WiFi. Plus, Google Support has an amazing live chat feature, so don’t hesitate to contact them if you have any issues. Have you ever used Chromecast without Wi-Fi? Do you have any other tips and tricks you would like to share with us? Drop them in the comments below and thank you for reading!

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