Tecno is set to unveil its latest concept smartphone, the Tecno Spark Slim, at the Mobile World Congress (MWC) 2025 in Barcelona. This device stands out with its ultra-thin design, measuring just 5.75mm in thickness, while housing a substantial 5,200mAh battery.



Design and Display

The Spark Slim features a sleek 6.78-inch 3D Curved AMOLED display with a 1.5K (1224P) resolution and a 144Hz refresh rate. With a peak brightness of 4500 nits, users can expect clear visuals even under bright sunlight. The device's construction incorporates sustainable materials, including a fully recycled aluminum frame and a stainless steel unibody, contributing to its lightweight yet durable design.

Performance and Battery

Despite its slim profile, the Spark Slim is equipped with a high-density 5,200mAh battery supporting 45W fast charging, ensuring prolonged usage with minimal downtime. The smartphone is powered by an upcoming high-performance octa-core chipset, designed to handle multitasking and demanding applications efficiently.



Camera Capabilities

Photography enthusiasts will appreciate the dual 50MP rear camera setup, delivering detailed and vibrant images. For selfies and video calls, the device offers a 13MP front camera, ensuring high-quality visuals for users.


Attendees of MWC 2025 can experience the Tecno Spark Slim firsthand at Tecno's booth, 6B11, Hall 6, Fira Gran Via.