Keep the previous setting as it is. If you have not set any, it will be treated as Public or Shared Device.
Use this option when you are using a public device or wifi. You will be asked for both OTP & Password every time you login on this device.
Use this option only on your personal device which is not shared with anyone else. You will not be asked for OTP again on this device for a month.
Do not use this option on public or wifi. Max 5 Device
Use this option only on your personal & private device which is not shared with anyone else and is secured. You will not be asked for password on this device for a week.
Use this option only on your personal computer or phone if they are accessible by yourself only. Max 2 Device