How to enable mode cache for Mobile

hi sir

How to enable mode cache for mobile when your site is using a plugin cache site on the browser of devices other have greater resolution?

It seems my site is using a plugin wp fastest cache plugin, i have two version

1. desktop
2. mobile

how it can enabled for mobile interface as well, because your theme plugin working fine for desktop

but not for mobile users https://imgur.com/8bFgLpp (screenshot google page test)

desktop https://imgur.com/m7ZMWlW

thanks

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