Galaxy J1 Nxt Prime
The Samsung Galaxy J1 Nxt Prime comes with the 4-inch 400*800 display which is a WVGA display. The phone is powered by an unknown processor clocked at 1.2Ghz with Cortex A7 coupled with 1GB of RAM which should be able to handle usual day to day tasks, so this phone can be a good alternative as your secondary phone as well.
Talking about Storage, it comes with 8GB Internal Storage which can be expanded up to 32GB. Camera-wise, the phone is equipped with a 5MP Rear Camera with F2.2 Aperture lens and LED flash. There is also a VGA Front Facing Camera. Even the low-end Samsung phones are equipped with pretty proficient Rear camera producing satisfactory results considering the price. J1 Nxt Prime is also running on Android 6.0 Marshmallow out of the box.