It might be a difficult task to keep track of which social media accounts you have access to across your various devices. To safeguard your Facebook Account from hackers, it's a good idea to Logout of social networking websites like Facebook after you're finished especially when you're using someone else's smartphone.
It is always good to Log out of the All Devices Facebook App after each active session on your device.
You can log out Facebook account on your iPhone as well as on android.
Log out of all Devices Facebook App in 6 easy steps
Step 1: Open the Facebook app: Open the Facebook App, If you don’t have the app, then download it from Appstore or Playstore.
Once downloaded, open the Facebook App (App with blue icon shown in the image).
Step 2: At the upper right corner, Tap on Three Lines: Once you land on the menu page after opening the Facebook App, click on the three lines.
Step 3: Settings sign will pop up, click on that: After coming to the menu page, click on the settings icon. (next to the search icon at the top right as seen in the image)
Step 4: Select Password and security: Once you get to the next page, select “password and security” which is there under the ACCOUNT heading as shown in the image below.
Step 5: After that Tap on See all: The next step is to click on the “See all” option. It is blue colored just against the heading “Where you’re logged in”.
Step 6: Tap on Log out of all sessions: After you click “see all”, you will be able to see the devices on which your Facebook account is logged in. In the end, you will find a box in which it’s written “Log out of all sessions”, click on that & it will again confirm to log out, again click on the blue-colored logout option.
Once you click LOG OUT OF ALL SESSIONS, the process of logging out gets completed. All sessions have expired and logged Out of all the devices successfully.
Can I log out only from the selected device & not from all the devices?
Yes, you can by clicking 3 three dots against the device of your choice and then clicking on logout.
If I change my password, will my account be logged out from all devices?
Yes, by changing your password, your account will be logged out from all devices.