This step by step guide will help you to buy using PhonePe UPI app from Flipkart.
Step 1:
Add product to your card , select your address and on the Payment section Select PhonePe UPI.
Step 2
Once you click on?Confirm Order, Open PhonePe App and view Pending transaction.
Step 3:
On your app you select your, Bank and Enter MPIN and complete Payment
If you have any questions , comments feel free to add below.