1. Go to My Profile menu
2. Click the profile picture
3. Select your picture in your device
The picture that you can set as profile picture should be in image file format, and have a file size maximum 500 KB.
4. Click Update Picture
You can also adjust your picture until you thing it's the best fit (i.e. Zoom In or Zoom out, crop, and select the area).
Your profile picture will be updated if your picture successfully uploaded.