The settings panel can be activated by pressing the button at the top-left of the main interface. The following image annotates the settings button.
The image below shows the settings panel.
As can be seen above, it has three sections:
- Phone: Allows you to rectify phone number.
- Map: Allows you to finely control various mapping options. More about this here.
- About: Gives you read-only general information.
The following video demonstrates activating the settings panel and rectifying phone number.