If you have small budget then please select Oppo A37F phone. It is a smartphone with many useful features with minimum range. Basic significant is its camera quality. Clear and attractive photography is the main destination of Oppo A37F model. It has also shortcut way to get music, camera, flash light etc application. Upgrade version of Android software gives it huge millage.
One GB ram gives you to run fast with a good battery backup. 16 GB internal memory will support you to store your important documents. If you want more space than you can expand it through SD card.