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Hi @Will7718,
Let us fix the issue of the SIM card, could you send us a PM with your details (Customer ID/Mobile number) also include your alternate contact number so we can arrange our Mobile Team to call you for real-time test and investigation.
How to send a PM? - https://community.tpg.com.au/t5/Welcome/How-do-I-private-message-PM-in-the-community/m-p/4093.