Tecno SPARK 40C runs Android 15 on a Helio G81 processor with a large 6.67-inch 120Hz display. It offers 256GB of internal storage, 8GB RAM (with extended RAM), and a massive 6000mAh battery with 18W fast charging. The device features a 13MP rear camera and 8MP front camera, dual speakers with DTS sound, and versatile connectivity including GPS, Wi-Fi, Bluetooth, FM radio, and OTG for everyday use.