Log in to your Facebook account. Click your profile picture in the top right of Facebook. Select Settings and privacy, then click Settings. Click Name. Enter your name and click Review change. Enter your password and click Save changes.
In the bottom right of Facebook, tap the three-line hamburger button. Scroll down and tap Settings and privacy, then tap Settings. Tap Personal and account information. Tap Name. Enter your name and tap Review change. Enter your password and tap Save changes.
