Samsung galaxy j7 is the best choice for 4g users in the cheap rate.good function of samsung galaxy j7( 1 ) it has a very good looking phone of the samsung j series.( 2 ) it has 2500MaH battery which give us a very good battery backup .( 3 ) it is 4g supported ( 3.5 ) it have a front flash. phone( 4 ) it has hd display which give us a best movie/games exprience.( 5 ) it has a kitkat android version.( 6 ) it 4 Gb RAM and 16 GB ROM which help us to run high quality app/games.( 7 ) it has 8mp back camera and 4mp front camera which give us a very good picture exprience.( 8 ) it has outstanding recovery system.bad function of samsung j7( 1 ) it is hang fastly than other j seriesTHAN OTHER WISE IT IS A GOOD PHONE ON CHEAP RATE