The failure of IoT natural gas meter networking may be caused by many reasons. The following are some possible solutions:
1. Check whether the IoT card is normal: You can try to insert the IoT card into the mobile phone to see if the mobile phone can recognize the IoT card.
2. Check whether the APN settings of the IoT card are correct: You can find the APN settings on your phone and make sure they are correct.
3. Check whether the network connection is normal: You can try to restart the IoT card or change the network environment.
4. Check whether the battery of the natural gas meter has sufficient power: If the natural gas meter requires battery power, insufficient battery power may cause networking failure.
5. Check whether the natural gas meter is faulty: If none of the above methods work, you may need to consider replacing or repairing the natural gas meter.
Please note that the above method is for reference only, and the specific operation should be based on the specific situation and the guidance of the equipment manual. If you have any questions, it is recommended to consult professional technicians.