The first change is the price increase: up from$299 to$348 for outright purchase. its sound reception is to good because the clearence of sound is good and no noise is it. and second thing is the style and design of the oppo phone is smooth in curve shape with its golden colour and features are so good with processor octa core 1.5 ghz. and its bettry backup is non removable li-po 3075 mah with storage 32 gb with rear camera which is 13 mp phase detection auto focus led flash . the value of this phone is high but which is good as per phone.