Thanks for reaching out. Which version of the application and Android are you using? What is the file format of all the photos? How are you importing the images? Which device are you using, and what specifications does it have?
Did you recently update the application or re-installed it?
You can check the steps mentioned in the article to retrieve the presets if they are backed up: https://helpx.adobe.com/lightroom-cc/using/lost-photos-presets-lightroom-mobile.html#:~:text=Why%20c....
Meanwhile, you can send us a few affected files and one unaffected file so we can check it on our end.
Will look forward to hear from you soon.