Log out of Facebook on another computer, phone, or tablet
You can manage where you’re logged in from your Security and Login Settings. The Where you're logged in
section lists where you’re currently logged in. Each entry includes a date, time, location and device type.
End a session
1.
Tap 
in the top right of Facebook.
in the top right of Facebook.2.
Scroll down and tap Settings & Privacy
, then tap Settings
.
3.
Tap Accounts Center
, then tap Password and security
.
4.
Tap Where you're logged in
and select your account to see all of the sessions where you're currently logged in.
5.
Select the session you want to end and tap Log out
or scroll down and tap Select devices to log out
. You can select multiple sessions or all sessions by tapping Select all
, then tap Log out
.
Tapping Log out
will immediately log you out of Facebook on that device.
