If you want to update your profile picture with a more up to date photo you can do this by accessing you profile page:

IOS:


Android:

You will need to click the menu and then profile icon

1.

2.


Once in the Profile page you'll see your current profile image:


Clicking the camera icon on your current profile picture will give you an option to change your photo:


You will give you an option to either upload or chose an existing image from your device:


To change your background image you need to select the settings cog:


Once in this section you can your background image:


Once you have selected your new background photo it will instantly take effect