Click on hamburger menu located on the right-hand side of the top-right-hand bar of your MTDVAT app. In the menu bar, you will see the option “Client Manager (view/edit)”.
Here, you can edit the required information and save it in the same page.
RoadMap on how to edit contact details of System Administrator:
RoadMap: Hamburger menu → Client/Trader Manager → Select the trader to whom you wish to edit the contact details and click on View/Edit → Company/Agent Setup →
→Manage Assistant Administrator → Click on blue button → view / edit details →Click Save data & back.
Pls view the video demo below how to add & view edit assistant user details.