Here friend if you looking for big screen phone than obviously, Samsung Galaxy on max is perfect for you with 5.7 inches phone,
comes 4 GB ram 2, 39 quad core processor. which is very fast. you can do lots of work same time.
32 GB internal memory and 256 GB external memory give you to store more and more data.
it has both rare and front camera 13 mp with both side flash and auto focus.
and you also get OTG cable supported.
battery back up is not much good with3300 mah.