Here is how you do it:

1. Open your UOB TMRW App, enter your mobile number and tap "Sign in".
2. Enter the One-Time Password (OTP) sent to your registered mobile number.
3. You will then see an on-screen message that your account is approved.
4. Tap "Sign in" and proceed to login with your username and password.

Before you submit your application for a TMRW Account, you may change your promo code at the “Final check of your application details” page.

Log in to UOB TMRW and tap "Top up & bills" on your Dashboard.

Go to "Biller Categories" or search the biller name you want to pay.

Check the "Add to Favourites" option if you want the details to be saved for your future transfers and swipe to confirm. You can also set recurring payment to your prepaid billers.