✅If your device shows <No SIM card>, please follow the instruction below.

1. Please make sure that the SIM card is properly seated
2. Please restart the device by turning off the device completely off and back on again

✅It doesn’t work well even if you try to restart it, please follow the instruction below to check if it is a SIM card problem or a device problem.

1. Put your current SIM card into another device
2. Put another SIM card into your device

• If the services work well on another device, your device might have a problem.
• Or if the services don't work on another device, that might mean the service line has a problem. Please contact our customer service team.

<aside> ➡️ If this guideline didn’t solve your problem

</aside>

After doing all of the above please screenshot your problem and send it to our customer support email with the following information

1. The device you are using ex) Samsung galaxy s20
2. Your account information (name, phone number, email address)
3. SIM Card number
4. The problem you are experiencing
5. If you have tried all the steps in the troubleshooting guideline