Download
How to import lightroom presets?
After downloading lightroom preset pack just open file manager than go in that folder where you have downloaded your presets than simply tap on that and extract them because the folder will be in zipped file if in your mobile's file manager does not have the option for extract the folder so don't worry just open playstore and download ZRchiever app which under 10mb size it is same like file manager but has some complicated features from that app simply uncompress or extract your file after extracted done than open lightroom app in your mobile and choose any photo to color grade than go in presets section then tap on three dots on the upper right corner than tap on import presets than simply select that folder which you have extracted than your all presets will be imported safely you can also use them.
If you didn't understand these steps also, I have uploaded a video on my YouTube channel in that video I have practically shown that how you can download import presets in your lightroom mobile so here is the video.