Documentation for the lovelace-fold-entity-row is contraditory about documentation HOT 3 CLOSED

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from documentation.

/community/ has never been or will never be valid.
The correct path is presented to you inside HACS for every plugin.
At the bottom of the page where you install that particular plugin.

If that is not good enough, please add more description to this https://hacs.xyz/docs/categories/plugins with the "Edit this page" link :)

For plugins you install with HACS you can use:

• /local/community/pluginname/pluginname.js
• /community_plugin/pluginname/pluginname.js

The /community_plugin/ endpoint has 2(3) main advantages over the /local/:

• It serves files without cache
• It serves a gz version of the file (smaller to transfer over the network)
• (When you add your first plugin with HACS you don't need to restart HA.)

As for your issue, since it works on desktop, HACS has done its job, it downloads files.
If you can see the card when you click the "Open plugin" button you see in HACS on every plugin you have installed, the issue is elsewhere.

from documentation.

Did this cover what you wanted to know @haakonstorm ?

from documentation.