Merchant login to Merchant page dashboard, to be able to modify merchant's settings that consists Profile, Credentials, Report, and Developer settings.
Click Settings on the left menu of the dashboard and it should show sub-menus as shown below.
A page where merchant can change their business's logo by their liking so their logo can be displayed on merchant's payment landing, billing, and email notification.
Merchant needs to click choose file to upload their logo with the format:
Size must be 640px by 480px
Smaller than 1MB (.png, .jpeg, .jpg)
Click save to save your logo
(Business Profile Page)