How to change facebook password on iPhone?Admin
1) Open the Facebook application. It will take us to the timeline, but we have to be able to access our settings.
2) Tap on More option (right-bottom on the iPhone screen)
3) Now touch on Settings
4) Next screen, you will find “Security and login”
5) Tap on Change password.
6) Enter the current Password and New password two times. Now enter your old password into the current password fill, then enter your new password which you want to do and Retype New Password.
7) Tap on Save Changes button and little wait
And you are done, your password has changed successfully.