Dear devteam , after i changed the battery and the charge connector board, homebutton touch function is working as BACK and also when i push it works as BACK function, but when i hold it , it must be run screenlock but it didnot work.Also i am navigating between other apps, but didnot works as well.I checked all sockets when i montage the parts..Formerly it was working.Any idea or suggestions?.. Flyme latest stable 6.2.0.1G