Netstar does not work. Poor after sales service

I was looking for a tracking device for my daughters vehicle. I contacted Netstar. The device was installed on 29 July 2022. On 1 August 2022 I contacted Netstar to inform them that the device was not working as stated. The vehicle was not in the correct location when viewed on the app. I have screens shots to prove same. I received a call and an apology from Netstar stating that the device was not activated. A technician came out and apparently installed a new device only for me to have the same problem. Third device later and this does not work properly. I now requested that the device be removed and will use another company. I have a record of atleast ten emails and ten calls and to date this has not been sorted out. This is the worst after sales service that I have received. If you are looking for the safety of your children I would never recommend Netstar. I have given it 3 days more and should I not receive a response I would then report it to the consumer council and Wendy Knowler to warn other future customers so that they don't encounter similar problems.