BLU Advance L4 was announced in September 2018 which sports a 4-inch TN display with a screen resolution of 480 x800 pixels.
BLU Advance L4 is powered by a ARM Cortex-A7, 1300 MHz, Cores: 4 with MediaTek MT6580 chipset coupled with 512MB of RAM and 8GB of internal storage. It also supports an external memory card. The device came out of the box with Android 8.1 Oreo and backed by a 1300 mAh battery (Non-removable).
As far as the camera concerned, the device has a dual-camera setup with 5MP primary sensors and a selfie camera with an 2MP lens. Other connectivity option includes 2G, 3G, GPS, Bluetooth, Mobile Hotspot, accelerometer, proximity sensor.