How can I change my profile picture?
Your profile picture, along with all your personal information, can be changed on the ‘About Me’ page, accessible by of your own personal page.
To go on your personal page, select the 4th icon on the main navigation bar on the bottom of the default screen. Here, just tap on your page cover (the space showing your name).
Here you are able to choose your profile picture, your cover photo and edit your personal information.