How to disable Two Factor Authentication?
In order to disable Two Factor Authentication, you are able to disable it in MyZyxel. Refer to the following steps for how to disable.
Step1. Log in to MyZyxel (https://www.myzyxel.com/)
Step2. Access "Account" on the very top right of the page.
Step3. Go to Two-Factor Authentication page and select disable, then apply.
After applying the changes should Two Factor Authentication be disabled on your account.