The below methods work on both desktop and mobile.
Link directly to your:
Use the below format to create your link
https://search.google.com/local/reviews?placeid=PASTE PLACE ID HERE
https://search.google.com/local/writereview?placeid=PASTE PLACE ID HERE
There is another way to link to the Write a review popup. You can use the link provided in your Google Business Admin.
I hope this helps.