So, I personally using this phone.Having good camera&sound.help 3G and 4G.you can use JIO SIM in 1st slot only.
Rare camera: 21mp,
Front camera:8mp,
SIM:dual SIM with, nano SIM slot,
And key to open the SIM slot.
I like camera clearity the most.as you zoom the picture it will not distorted your pictures as other camera does.THe phone is good for video chat too as it’s front camera is 8mp.
The model came with android version 5, Lollipop.