How to upgrade the Luckin Coffee app to the small black cup. Let’s take a look at how to upgrade the Luckin Coffee app to upgrade the small black cup .
Enter member benefits
After opening Luckin and entering the main page, click on your avatar.
Expand menu
Click the [v] icon here.
View benefits
Check here to see if your current equity level has the number of times to upgrade the Little Black Cup.
Enter the little black cup
After checking and confirming that you have upgraded the Little Black Cup, click [Little Black Cup] in the order column.
Purchase additional drinks
Users who have the rights to upgrade the small black cup here can directly place an order for these three small black cup drinks. Just select and click to purchase and go to checkout.
