All telcos have a detailed process for handling customer complaints
Telco complaints and problems
When you have a problem with your phone or internet provider, contact them to discuss the issue. Consumer laws protect you. If the provider can't resolve your complaint, the ombudsman may be able to help.
What can we help you with?
The Telecommunication Industry Ombudsman (TIO) resolves disputes if your telco can’t
If your mobile service is unavailable, check your device and network first
Interference to mobile phone networks can cause problems for your mobile phone
The steps to follow to complain about a telco's work on your property
Find out about some common problems in your home that can affect internet performance and how to fix them