hi thanhtung0509 you are absolutely right, the profile -> Edit Profile -> upload photo
You need to go to the profile page. Then there will be option to edit your profile. Where you can find your old one, remove that pic from it, and upload new one.
Please go to the right corner of the website and click on the “Edit my profile” .
So you can change your profile picture.
Go to the above given link and then click on the edit profile button. Then you can easily remove the old profile pic and upload the new pic.
go to your profile and where you can change by editing and also just hover on pic and also you can see edit feature.