To change your UPI PIN on Paytm, follow these steps:
- Open the app and tap on your profile icon.
- Select "UPI & Payment Settings" and choose the bank account.
- Tap "Change PIN."
- Enter your existing UPI PIN or use your debit card details (last 6 digits and expiry date) if you have forgotten it.
- Enter the OTP received on your registered mobile number.
- Set and confirm your new 4 or 6-digit UPI PIN.
Never share your PIN or OTP with anyone to ensure account security.