Hy samsung authorisers.i hav using your samsung mobile which irritates me the most in my every work.it has some use but mostly your mobiles are bad in the name may be proud but we customers facing a lot problems with your unsatisfied manufactures.everytime v watch your mobiles with less preferences.and the sparss of the mobile are even more to repair.samsung doesnt hav the better way of resale value.sorry dor this but my way z to say you about the required part for improving status of your brand samsung.samsung don hav automatic feautures as lot mobiles hav and weight to cary and also multi touch error.sometimes I feel like break the mobile.try to understand my review.thanking you.i refer you