Board Thread:Questions and Answers/@comment-37281600-20190108042216/@comment-31135394-20190108070727

Are you trying to upload a picture to the wiki or just upload an avatar? Because those are actually two different things.

To upload an avatar, go to your profile and click your avatar (in your case it would be the default blank one). An "Edit avatar" button should appear. Click that and it should be really simple to follow the steps.

Uploading a picture to the wiki is a bit more complicated because it can be much larger than a profile picture would be and take longer to upload, plus you have to name it appropriately and categorize it correctly. But pictures uploaded to the wiki can't be used as a profile picture directly. You'd have to save them to your device and re-upload them directly as your profile picture via the method I expanded in the first paragraph.