Thank you for using the Xfinity forum. Those texts can sometimes be annoying. Here are the steps to disable this feature.
Sign in to My Account with your Xfinity username and password.
Select the Settings tab in the menu bar at the top of the page.
Select Username & Password in the left menu bar.
On the right side of the page, you will see the Two-Step Verification option. Click Edit.
This document is available on the Xfinity Support page. I hope this helps.
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