It has perfect camera and TFT display which is not very good.
TFT displays are cheap and replacement cost is very low.
Amoled display are expencive and replacement can cost more then your phone.
It is with 1.5 gb of Ram which can't run games like pubg.
3000 mah battery which can give sufficent time all day long thanks to this TFT display.
How to Flash
Samsung phones can be flashed with z3x, chimera tool and octoplus. Chimera tool is best because its easy to use but you need an internet connection and it had to be fast to work with chimera tools.
Samsung Free Flash Tools.
Odin is the best free tool to flash samsung file.
Install cable drivers for your phone.
Download and install odin.
Put your phone on download mode.
Download Firmware file from down below.
connect your phone with pc.
Select files properly.
Don't worry your phone will not been flashed if you don't select files properly.