Hi! I have owned htc mogul for about less than a year. From the beginning I have been having same problems with this model. I have replaced this cellphone for three to four times. Every time after a week it starts getting this white spot on lower left corner of the screen. in about a month the cellphone starts running very slow and keeps freezing. Being a student and having a tight schedule, I really need to use almost every features of the cellphone. After replacing this phone last time, this time I talked to sprint and htc but... read full review »