To be Noted: Try to buy Smartphone from Authorized brandshop and Online Shopping in Bangladesh who are Online Authorized. like Daraz, Pickaboo, buymobile, bagdoom etc. In that way you will definitely don't have to take headache about it's warranty and performance. But if any issue occurred or any damage then make sure to solve it from the Dedicated Customer care service center of Each Brand. If you don't there have chance that you can get fake Mobile Parts then the genuine. So be smart the way are to not be cheated.