Lava A3 comes with Android v6.0 (Marshmallow) OS,5.5 inches Optic AMOLD display covered with corning gorilla Glass and 720 x 1280 pixels resolution, It has Gold and Grey color, Dual SIM Slot supports 2G, 3G and 4G LTE network.
The smartphone has 13MP rear camera having geo-tagging, touch focus, face detection, HDR and panorama features and 8MP front camera for selfie experience.
Lava A3 has Octa-core, 2.5 GHz processor, Mediatek chipset and Mali-T860 GPU.
It has 3GB RAM and 32GB internal Storage, microSD, up to 128 GB card slot. It brings Bluetooth v4.0 + microUSB 2.0 and 3.5 mm Audio jack.
Here is Li-Po 3020mAh battery but no fast charging and wireless charger support.
The smartphone has Fingerprint, accelerometer, gyro, proximity and compass sensors.