hi... my 1st post here after last login in lowyat forum back 2012... having problem with my note 4, i'm using finger print then my phone asking back up pin.... huhuhu... cannot remember... have tried all password that i remember still cannot get tru... it dont have "unlock via google acc"(last time got).. my samsung account can login but no use coz only halfway register then not yet setting at my note 4... taking my time to read this thread(V1, V2....-V10)