Luckin Coffee software allows users to place orders for coffee, and the software allows everyone to upgrade the small black cup. Many friends are not very familiar with this and don’t know how to operate it, so take a look at the source code website. I believe it will be helpful to you.
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.
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