Tecno Spark 4 Lite, Tecno Spark 4 Air and Tecno Spark 4 are Android-based smartphones manufactured, released and marketed by Tecno Mobile as part of Tecno Spark 4 series. The device were unveiled as successors to Tecno Spark 3 and Tecno Spark 3 Pro. It is the fourth generation of Tecno's Spark series of smartphones. 
 
Storage: 32 GB
Model: BB4k (Spark 4 Lite); KC6 (Spark 4 Air); KC8 (Spark 4)
Battery: Spark 4 Lite: 4000 mAh; Spark 4 Air: 3000 mAh; Spark 4: 4000 mAh
Removable storage: microSD, expandable up to 128 GB
Front camera: Spark 4 Lite: 8MP Front Camera Spark 4 Air: 5MP Front Camera Spark 4: 8MP Front Camera
First released: 29 August 2019; 11 months ago