How to buy best smartphone

How to bias best smartphone follow the specification given bellow
HOW TO BUY BEST SMART PHONE


RAM                 2GB
CAMARA         back 8mag
                          front 2mag
storage.          16gb
procesdor.      1.2ghz
os.                    4.4.4and
battery.            2300mah
display.            720*1280
      support
wifi.
gps
blwooth
nfc
otg
2sim slat
volte
ir blaster
mim amount 7000rs

For more details please watch my video given below