So I recently added a pin and fingerprint lockscreen to my phone about a week ago. I have been having an issue at least once a day where i press my power button to bring up the lockscreen and nothing happens. I press an hold the power button and I feel the phone vibrate but no response. I have to hold and force reboot the phone for it to come back. Has anyone else had this issue? Graphene updated last night the current release, same result as it just happened a moment ago. If anyone knows a solution, I would love to know.