Here are some things you can try:
1. Make sure your network connection is good.
2. Make sure the cellphone number you entered is correct and registered in the Nanovest application.
3. If you have not received the OTP code via WA/SMS, click resend OTP code.
4. Make sure your phone is not rooted, jailbroken or modified.
5. If you forgot your PIN click here or your account is locked click here.
If you are still having trouble please contact us via live chat in the app or email firstname.lastname@example.org for further assistance.