Here you come to know how to change images in the Theme. Click customize and then select the section in which the image is located after that you will get a left sidebar with customization options select the image customization and then upload the image which you want to replace with, crop your image if required or else you can skip cropping. Finally, your image is replaced successfully.
Note: We fixed all the image sizes to display images correctly in the theme. Please don’t crop the image if in some cases you want to crop make sure that not more than 20px around. so, for better results don’t crop the image just select the area of the image by moving.