Hi,   I am due a refund of $20 and l need to pay $11 for transferring my number to a different provider. I called the customer service and agreed over the phone Tpg would give me a refund of $9. Instead it has been 2 days that Tpg is trying to charge $11 from my bank account. Can someone explain what's going on and how can l make a formal complaint?  Your service is simply terrible and wasting a lot of my time. ... View more