セキュリティカメラ用 4G SIM カード、AT&T および T-Mobile ネットワークをサポート、6GB|90 日間

Hi Nancy,
This is Summer from EIOTCLUB Sim card, nice to meet you and hope everything is going well with you.
I am here to follow up on your sim card problem that the SIM card didn't fit properly in the space on the unit and the unit is not working. Sorry for the inconvenience that caused you and we didn't help you in time. Our card has 3 sizes: Standard, Micro and Nano, so you can disassemble the card by following the lines on the card to adjust its size to fit your device. After that, please insert the card into the device, the device can successfully connect to the network and start working normally after setting the correct APN, If you are not sure of the APN information,you can contact us, we will assist you to set the APN. We will try our best to help you fix the problem, need any help, please feel free to let us know here, thanks.Have a nice day.