How to Fix AC3 Audio Format not supported Error in MX Player(Updated 2021)

If you were looking for a solution to fix AC3 audio format not supported error in MX player then you have arrived in the perfect place.

MX Player is one of the best video players available for android devices. But due to some licensing issues, the official MX player has removed some of its codecs like AC3, DTS, MLP, etc. So when you play your favorite videos, you might get an error saying Audio format (AC3) is not supported.

It means the only video will be played and will have no Audio. But It doesn’t mean you should delete the video or uninstall the Application. You don’t have to uninstall MX Player for one simple problem that will take hardly 2 minutes to solve. Now you will be thinking How to Fix AC3 Audio Format not supported error in MX Player? Why is ac3 audio not supported? How do I play ac3 format? 

When you see this error while playing a video in MX player that means the required codec to play such format is missing and you need to download the codec and you have to install it to solve the problem. Follow the steps given below to download and install Custom Codec to MX Player so that it can play DTS and AC3 Audio formats.

Related | 5 Best Video Players For Android With AC3 Audio Format Support

Follow the steps Fix AC3 Audio Format not supported Error in MX Player:

#STEP 1: Open MX player and click on the three-dotted main menu which is located top right corner. Click on the settings.

#STEP 2: Under the settings chose Decoder option.

*STEP 3: Now scroll down to see “Custom Codec”.

#STEP 4: Here you will see your codec and you need to download that codec for solving the Audio format (AC3) is not supported error. In the screenshot, you can see my custom codec is ARMv7 NEON. Similarly, you will find your custom codec.

By following the above steps, you would be able to find your custom codec. Click on the download button ( just below this line ) to visit the download page, where you can successfully download your custom codec.

Download MX Player Codecs

Before downloading the codec don’t forget to check your MX player version that you are currently running on your device.

To know your MX player version follow these steps :

  1. Open MX player.
  2. Go to Menu>Help>About.

Check for the Current Version of your MX player. As you can see in the screenshot currently I am using version 1.13.2.

According to Your Player version download the required Custom codec. And if you are not sure about your custom codec then you can download AIO Pack for MX Player.

Note: Choose your suitable custom codec only and download it because Custom Codecs may be different for different devices.

Now you have downloaded a suitable codec i.e. your custom codec, the Only thing now you need to do is you have to add a custom codec in your MX Player. There are two methods to add codec in your MX player.

How to Install Custom Codec on MX Player


  1. Make sure that the downloaded zip file ( Codec file ) is in the internal memory or in the downloads folder or not? If not then move it to internal memory (Recommended).
  2. Now Open MX Player.
  3. MX Player will automatically detect the codec if compatible codec found.Fix AC3 Audio Format not supported error in MX Player
  4. Press OK and let it restart.
  5. To make sure whether your custom codec is loaded or not, Open MX Player and Go to Menu>Help>About. If the custom codec is successfully loaded then it can be seen just below the Version information.

Sometimes MX Player doesn’t detect the Compatible Codec. So if MX Player fails to recognize your custom codec, then you can do it Manually by assigning the correct Path. Follow the method given below.


  1. Open MX Player and go to Menu>Settings>decoder.
  2. Scroll down and click on the “custom codec”, selection pop-up appears on your screen. Choose the correct path of codec that you have downloaded.
  3. After fetching your new codec Mx player will ask you to restart the Application. Press “OK” to and let it restart.


Now you can play movies and videos without any such issues.

Download MX Player Custom Codec

You can download the zip file for every codec here:


Click on the name to download the zip file.






For the latest MX Player Custom Codec visit here:


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Satyansh is the co-founder and a regular contributor. He also indulges in Photography & Editing.