Xeomi redmi 3s prime is a awsome smart phone with 4000mah baterry which gives long standby to phone it has 16gb internal memory, 13mega pixel rear camera with led flash and 5mega pixel front camera with HD recording it also enhaunced with a finger print security technology so our documents inside the phone is not hacked this is the best smart phone also has a hybrid technology for sim slots and memory card slot were we can use 2nd sim slot either sim or memory cort best phone for cheap price