is made up of a series of tabs that organize the various buttons, drop-down lists, and galleries of options by a broad category. Within each tab are groups which further organize the commands to help you find and execute commands efficiently.

none because it's so obvious

assuming you are in the home page.

1) go to the upper right hand corner

2) click on your "profile picture"

3) go down to "edit profile"

4) it should be titled as "edit your profile", click on "profile picture"

5) choose a file

6) press "change"

you're profile picture is updated

~

it most likely is charging, however when using a hot spot, it drains straight through battery life.