Take care!!! shops who sells the ZP998 with the price of 4 Milion are NOT HONEST. 1st time I came they said they don't have it and try to sell me a Galaxy S4 copy . The 2nd time I came, 2 weeks after, they gave me a ZP780 saying its a ZP998. Don't go on Lạc Long Quân street to buy your phone.