Lava Z91E was announced in August 2018 which sports a 5.45-inch IPS LCD display with a screen resolution of 720 x 1440 pixels.
Lava Z91E is powered by a ARM Cortex-A53, 1500 MHz, Cores: 4 with MediaTek MT6739 chipset coupled with 3GB of RAM and 32GB of internal storage. It also supports an external memory card. The device came out of the box with Android 7.0 Nougat under Star OS 4.2 and backed by a 3000 mAh battery (Non-removable).
As far as the camera concerned, the device has a single-camera setup with 13MP primary sensors and a selfie camera with an 5MP lens. Other connectivity option includes 4G-VoLTE, GPS, Bluetooth, Mobile Hotspot, accelerometer, light sensor, proximity sensor. The Lava Z91E come with a face unlock feature.