How to Verify Your TM SIM Registration Status
Once you've completed your TM register SIM registration, it’s important to verify the status to ensure it’s successful. You can check your registration by visiting the TM website or dialing a specific USSD code provided by TM. If your registration is not complete, follow the instructions to update your information. Staying informed about your registration status ensures continuous service without interruptions.
Source: https://simtmregistration.com/tm-sim-no-signal/