Phone is very good but I have some problem l. I want to update my phone but I can not because I has very low speed. My phone speed is 1-3 mpps. But when I start update it can not done . I start update one evening till morning it done only 20% after it canceled I try it on wifi also but can not done then I went to serbice centre but there they tell me that they have no software of that. I am very angry for your this . So please try to solve my problem so I can enjoy my phone reapone . I hope you will try to solve my problem of this thnaks