Log in to your Mono dashboard and navigate to "Apps" on the sidebar.
2. Select your preferred App and go to "App Settings"
3. Click the drop-down under "App widget theme"
4. Select the (+) sign to add a new theme.
5. Choose from saved themes and select "Update theme". You can also create a new theme in the process by following the steps in this article.
6. That's all! Your theme has been updated successfully.
