> ## Documentation Index
> Fetch the complete documentation index at: https://viziotvhelpdesk.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# VIZIO TV Setup FAQ: Answers to Frequently Asked Questions

> Answers to common VIZIO TV setup questions: setup cost, using the TV without Wi-Fi, finding the model number, the mobile app, and getting official support.

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    <span>Get Started Here</span>
    <span style="font-size:22px; line-height:1;">→</span>
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These are quick answers to the questions people ask most when setting up a VIZIO TV. Each answer links to a full guide where one exists.

<AccordionGroup>
  <Accordion title="Do I have to pay to set up or activate my VIZIO TV?">
    No. Setup is free and done on the TV itself. Be cautious of websites, pop-ups, or phone calls asking for payment or remote access to "activate" your TV.
  </Accordion>

  <Accordion title="Can I use my VIZIO TV without Wi-Fi?">
    Yes. You can watch connected devices and antenna channels without internet. Streaming apps and software updates require a connection.
  </Accordion>

  <Accordion title="Where do I find my model and serial number?">
    Check the label on the back of the TV. On many models you can also find it under **Menu** > **System** > **System Information**.
  </Accordion>

  <Accordion title="What is the VIZIO Mobile app?">
    It's VIZIO's free app for iOS and Android. Depending on your model, you can use it to help with setup and as a backup remote.
  </Accordion>

  <Accordion title="How do I switch between HDMI devices?">
    Press **Input** on the remote and choose the HDMI port. See [Connect devices](/setup/connect-devices).
  </Accordion>

  <Accordion title="Does my TV update automatically?">
    Yes, when connected to the internet. You can also check manually. See [Update firmware](/setup/update-firmware).
  </Accordion>

  <Accordion title="How do I factory reset my TV?">
    Go to **Menu** > **System** > **Reset & Admin** > **Reset TV to Factory Settings**. See [Common issues](/troubleshooting/common-issues).
  </Accordion>

  <Accordion title="How do I contact VIZIO?">
    Use the official site at [support.vizio.com](https://support.vizio.com) for warranty, repairs, and account help. This guide is independent and not affiliated with VIZIO.
  </Accordion>
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