How to view your data balance Step 1. Dial *123# and press 'Send' or 'Call'. Step 2. A pop-up message will appear on your screen with your balance amount. Please note: Screenshots are included as a guide - Currency/Figures may differ depending on where you are located. Related articles How to view my data balance My data service is not working Managing calls on my phone When does my SIM card expire? Upgrading your data plan