Hi guyz, im having huawei p6u06. Now its for no use. When i enable mobile data, it turns off. When a call is recieved, it rings for 5sec then turns off. But i called from anothet mobile to this mobile, then through othet mobile ,it rings, but this phone rings for 5sec and turns off. But when this turns off, the ringing cant be heard on another phone, but this phine is off. I installed ROM, formatted.... But no use... please help guys..