[Answered] How To Check If My Phone Supports HDMI Alt Mode?

Do you want to connect your phone to your television, computer monitor, or high-definition projector? If you have an Android phone, you can do so if it supports HDMI Alt mode. However, how do you know if your phone supports HDMI Alt mode? It’s not difficult to figure out. The information in this article will teach you everything you need to know about HDMI Alt Mode.

What Is HDMI Alt Mode?

This means that if your smartphone supports HDMI Alt mode, you can use a USB Type-C to HDMI cable to connect it to a TV, monitor, or projector. There is no need for an adapter. The following features are supported by HDMI Alt Mode:

  • 3D video support
  • HDMI Ethernet Channel (HEC)
  • Consumer Electronic Control (CEC)
  • High Bandwidth Digital Content Protection (HDCP 2,2)
  • 4K Ultra HD resolution at 24 frames per second.
  • Deep Color
  • Dolby Digital 5.1 surround sound
  • Audio Return Channel (ARC)

How To Check If HDMI Alt Mode Is Supported?

1. Examine Your Phone To See If It Has A USB Type-C Port

  • If your smartphone has a USB Type-C port, it almost certainly supports HDMI Alt mode. USB Type-C connectors are small, thin, and oval in shape (8.24mm x 2.4mm).
  • USB Type-C has become the standard for most newer Android phone models, including Google and Samsung Galaxy.

2. Use MHL Checker App

If you have an older phone model and are unsure whether it supports HDMI Alt mode, you can use an MHL Checker app to find out. MHL is an abbreviation for Mobile High-Definition Link.

It is the protocol that allows you to use an HDMI connection to connect your mobile devices to your TV or monitor. To see if your device supports MHL, follow the steps below:

  • Navigate to the Google Play Store.
  • Look for “MHL Checker.”
  • Select an MHL Checker app.
  • Install should be selected.
  • Launch the MHL Checker application.
  • Check the box.
  • Wait for it to determine whether your phone supports MHL.

Limitations Of HDMI Alt Mode

HDMI Alt mode does not support any features that require HDMI 2.0 or HDMI 2.1. As a result, HDMI Alt Mode does not support 8K or 4K video at 60 frames per second.

Do iPhones Support Alt Mode?

  • There are currently no iPhones with USB-C ports.
  • This may change with future iPhone models. If your iPhone or iPad is connected to a display via a Lightning cable, you will need to use a Lightning Digital AV adapter. You can also use Wi-Fi to mirror your screen to a display.
  • The resolution of Lightning cable connections is limited to 1080p.

Also read:- Watching Time Warner Cable On PC Using The TWC TV App


This was all about HDMI alt cables. We’ve considered all popular questions regarding this topic and tried our best to answer them in this article. We hope you found this article helpful, and that any questions you had were answered.

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