Garmin Fenix 7X Solar problem with Watch Faces

  1. Hi, 

I'm new with Garmin Fenix 7X Solar Wave

I'm trying to change the watch faces through the app, but it tells me that "only on Fenix ​​7X Solar this setting can be updated on the device" .... what does it mean?!  Thinking

holding down the menu button of the watch makes me change the Faces but only between a preset choice ... if I wanted to download others like I did for the Fenix ​​6 so to speak???  Thinking