Support Vzw galaxy nexus lock screen

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http://androidforums.com – Hi guys, Did anybody else slide to unlock stop functioning after the 4.04 update? Mine just started misbehaving. After awhile of phone use lock screen just disappeared. when I reboot it comes back on for a short while. I suspected light flow and I uninstalled it but no dice. Any one else with this issue? I might have to do a factory reset. (General)