I am used Sony Xperia c4 dual. This mobile is total bad because Sony services Sony parts and other services is very bad. I am used Sony Xperia c4 dual. This mobile 5 time display, battery and motherboard change but not solve my problem. Warranty and out of warranty same problem but not solve my issue. This mobile November 2015 purchase and February 2016 automatic problem create and every month display battery and motherboard change but not solve my problem and October 2017 this mobile is dead because this mobile motherboard automatic dead. Sony Xperia parts is very very bad because 5 time parts change but not solve problem. Sony parts is local parts assemble. I am very tride this mobile and Sony mobile purchase is only money waste total money waste.