UPI PIN, which stands for Unified Payments Interface Personal Identification Number, is a 4 or 6-digit number which is set by the users themselves at the time of UPI registration or later.
Open the mobile payment application that supports your UPI service.
Go to your profile option displayed on the home screen.
Next, click on the bank account option for which you want to change the UPI PIN.
Click on the Change UPI PIN/Reset UPI PIN option.
Add the necessary information like ATM or debit card details associated with your bank account.
Upon entering card details, you will receive an OTP via message on your registered mobile number.
Enter the OTP to complete the following steps.
Now, enter a new 4 or 6-digit UPI PIN of your choice for the selected account.
Re-enter the PIN for verification and click on the Confirm option to complete the process.