Get online support
I responded to your initial post located here.
Here are some articles that you may find helpful, this will guide you a basic troubleshooting about Mobile Data Issues.
No Mobile Network Coverage?
What to do - TPG Mobile Data Not Working – Android
What to do - TPG Mobile Data Not Working – iPhone
Let us know how it will go.
No 4g no body answer while answer say wait worst service thank you for idiot