Click on your ID or feedback number to see your feedback profile. It should have an edit profile button. If it doesn't, click on your ID again.
To edit the picture, click on the little pencil icon on it, then you can select a new pic.
You can only do this on a PC, on a mobile you do not get the edit button.
If you use an iPad, Safari will not work, but Chrome will.
You need to request desktop site to see the edit button, you get that by clicking on the three lines top right in Chrome for the menu to appear.
You might need to logout then login again to see the change after you have set it.
You sign out by clicking on your name top left, then sign out.
