Uploading a pic from your Portfolio page...
Step 1: On your Portfolio Page select your Profile icon (circle)
Step 2: Select Upload image
Step 3: Upload an image from your phone, laptop or desktop computer
From account settings…
Step 1: Open Profile Menu
Step 2: Select Account Settings
Step 3: Complete Your info section
Step 4: Select Public profile
Step 5: Upload an image from your phone, laptop or desktop computer