Are there any charges when I sign up for DataX3 add-on? Yes, A one-time activation fee of $10.70 applies with every sign up of DataX3 from 31st August 2017. What is the total local data bundle I am entitled to once I have subscribed to DataX3 add-on? Combo 2 – additional 4 GB<br>Combo 3 – additional 6 GB<br>Combo 4 – additional 8 GB<br>Combo 6 – additional 12 GB<br>Combo 12 – additional 24 GB Will I be notified once I have successfully signed up for DataX3 add-on? Yes. You can also refer to the “My Add-ons” tab in My Singtel app or My Account to check if you have successfully subscribed to DataX3 add-on. Is there any penalty charges if I terminate my DataX3 add-on in the middle of my contract? Yes. There is a minimum subscription period of 24 months. Early termination charges apply on the remaining contract terms.