BQ Mobile BQ-5520L Silk was announced in October 2018 which sports a 5.45-inch IPS LCD display with a screen resolution of 720 x 1440 pixels.
BQ Mobile BQ-5520L Silk is powered by a ARM Cortex-A53, 1500 MHz, Cores: 4 with MediaTek MT6739WW chipset coupled with 1GB of RAM and 8GB of internal storage. It also supports an external memory card with up to 256 GB microSD. The device came out of the box with Android 8.1 Oreo and backed by a 2500 mAh battery (Non-removable).
As far as the camera concerned, the device has a single-camera setup with 8MP primary sensors and a selfie camera with an 5MP lens. Other connectivity option includes 4G, GPS, Glonass, Bluetooth, Mobile Hotspot, accelerometer, proximity sensor.