Before cancelling, do you mind if i ask what seems to be your problem and is there anything i can assist you with?
You can post here or PM for a private discussion about your service.
There is also a new ''TPG Mobile APP'' to help you with various trouble shooting and account issues, via a mobile phone app.
Thanks for your follow up. There isn't any specific issue. I just decided to change plan with other service provider. Please kindly advise the procedures e.g. any form I need to fill in. Thank you.