Version 6.0 and above
You can easily change the number of posts that appear in your Instagram feed for desktop and mobile by going to WordPress Dashboard > Instagram Feed > All Feeds > (click name or pencil icon to edit feed) > Feed Layout > Number of Posts. From here you can set a different number for Desktop and Mobile.
Below version 6.0
You can easily change the number of posts that appear in your Instagram feed for desktop and mobile by going to WordPress Dashboard > Instagram Feed > Customize > Layout. By default, the feed will show the same number of posts for desktop and mobile, but you can change the number of posts displayed on mobile by clicking Show Mobile Options and then setting a value in the Number of Photos on Mobile input.
