The Tecno Spark 40 is a slim and affordable smartphone for 2025/2026, focusing on a premium look with an ultra-slim body of merely 7.67mm thickness and a "Cutting-edge DECO" camera design. It has a 6.67-inch 120Hz display for a smooth viewing experience and is powered by a MediaTek Helio G81 chipset along with Android 15 and "Ask Ella" AI-based assistants. For a budget smartphone, it has a lot to offer with a 50MP camera, fast charging of 45W for a 5200mAh battery, and IP64 certification for dust and water resistance. It also comes with a new feature called FreeLink for short-range voice calls and messages even without a network connection, giving it a tough and feature-packed design for users on a budget.