TOP.ONE tries its best to improve SMS coverage. However, some countries and areas are currently not supported
1.If you cannot enable SMS verification, please refer to our global SMS coverage. If your area is not covered on the list, please enable Two-Factor Authentication
If you have enabled SMS verification, or you are in our global SMS coverage, please take the following steps:
- Ensure your mobile phone with good signal, otherwise, please re-position to a better spot
- Close Anti-virus software and/or firewall apps on your mobile phone
- Restart your mobile phone
If you still cannot receive SMS verification code, please submit a request with your mobile phone number, machine type, iOS/Android version, and your location. TOP.ONE will respond to you as soon as possible.
For now, some countries are not supported by TOP.ONE’s SMS system. If this applies to you, please enable Two-Factor Authentication of your TOP.ONE’s account for security purpose.
Here are countries which are supported by TOP.ONE SMS system currently: Supported SMS countries