Steps
- Open Facebook App on your Android device.
- On the top right corner of screen tap on the menu
button.
- Scroll down and look for “Settings & Privacy”, tap there.
- Look for “Settings” & tap there.
- Look for “Personal Information” & tap there.
- Look for “Name” & tap there.
- Edit your name and tap review changes.
- Select how you want your name to appear.
- Write your password and save the changes.
And you are done.