Dawn theme - autoplay product video on mobile

Store Design
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Topic summary

A user is attempting to enable autoplay for product videos on their Shopify store using the Dawn theme (version 15.2.0). They implemented a custom Liquid script that successfully triggers video autoplay on desktop by simulating a click on the .deferred-media__poster button, but the solution fails on mobile devices.

Current Status:

The user has shared their store URL with community members who offered to help, but no solution has been provided yet. The discussion remains open with the user seeking assistance for the mobile autoplay issue.

Summarized with AI on October 31. AI used: claude-sonnet-4-5-20250929.
1

Hello,

I want to enable autoplay video on my product page, but I can’t make it work.

I tried to do some research, found one of the solutions work on desktop, but not the mobile.

Any idea please? Thanks in advance. (I am using Dawn version 15.2.0)

I added custom liquid on the product page as follow:

2

Hi @Nailtheland , can you share us your store URL?

3

Hi @Nailtheland

Can you provide me with your website URL?

4

Dear B2Bridge,

Please check the url, thanks: https://www.nailtheland.com/products/the-cosmos

5

Dear Mageplaza-Cs,

Please check the url, thanks: https://www.nailtheland.com/products/the-cosmos

6

Is there anyone can help please? Thanks.