2 RAM + 64GB ROM
With 4GB of memory, there will be no lack of power for your heavy use. Store your favorite videos, photos, music and movies as you like, and they'll all have space with 64GB of storage.
4GB RAM + 4GB Extended RAM
Extended RAM 3.0
4 enables more efficient use of memory, making switch between apps even smoother. Feel free to download more apps and run them without lags.