Ye he asli 4G gys. This the the j series mobile j7 and there are another mobile like j2, j5 but it is last model of j series .
And irlt is 1gb ram and lte supported mobile and what tell you about clearity of dislay it is very high defination . You will more commfartable watching movies and videos. Sobi recommanded to by this mobile if you have money and budget have your pocket .however if you not jave budget you can wait for price for down .it is 15000 to 12000 worth rupees mobile I is very expensive . But samsung is brand.brand.