Samsung has habits to give cheap display in midrange phones. but j7 change everything samsung provide a AMOLED display in j7, which is major step taken by samsung to attract more customers in this range. phone offer some decent spects lik 1.5 gb ram and 16 gb internal memory.
So memory not be the issue on thid device. phone having 5.5 hd AMOLED dislpaly which feel more bright and avvurate. than grand series. if want to invest in samsung in this range it is best phone. any doubt pls mention below in comments. thank you.