'Save as Image' will save the preset file into your Camera roll and it will look like a blank image in the Camera roll (which is completely OK).

Please note, if you don’t see the Lightroom icon, you will need to select “Save as Image” option instead, and then manually import this file into the Lightroom app as you would with any image. Tap on the mobile preset file, and then scroll right and tap on the Lightroom icon to import it.Open the folder 'Mobile Presets' and locate your mobile preset file(s), which are DNG file(s).You should see a folder by the same name as the zip file, click into it. All of our zip file names have the letters 'DP' at the beginning. Navigate to your “Downloads” folder and locate the Zip File you just downloaded.All iPhones have this app pre-installed by default. Tap on “More.” or the Share Icon (bottom panel), both will work.Tap on the Download Button & choose to open in Safari browser.Open your email app, and click on the Download Link from the email we sent you.

Presets in lightroom