Initially my opinion about Samsung is very bad.
But when I bought galaxy j7 my opinion changed.
This is amazing smart phone
Cointains android version 5.1.2
Dual camera dual sim 4g support hd display
Quad core processor
1.3 gb ram with internal memory 16gb.
I suggest you to buy such brand.
Samsung Samsung Samsung only choose Samsung
Other option are good but Samsung is best .
So I did right choice you can also do