Chinese smartphone brand Tecno has announced the launch of Spark Slim, the world’s thinnest phone with a 5,200mAh battery, at the upcoming Mobile World Congress (MWC) 2025. The device is just 5.75mm thick, making it one of the slimmest smartphones ever released.
The Tecno Spark Slim will feature a 6.78-inch 3D Curved AMOLED display with a 144Hz refresh rate and 4,500 nits peak brightness, ensuring a vibrant and smooth visual experience. The phone’s design also emphasizes sustainability, as it is built using recycled aluminum and features a stainless steel unibody for durability.
In terms of camera capabilities, the Spark Slim is equipped with a 50MP main camera, a 50MP ultra-wide lens, and a 13MP front camera for selfies. Additionally, the phone incorporates an interactive light band, creating a dynamic and humanized lighting effect.
Despite its ultra-thin design, Tecno has managed to pack a 5,200mAh battery, which is supported by 45W fast charging. Powering the device is an octa-core processor, though Tecno has yet to reveal the specific chipset model.
With its combination of sleek design, high-performance display, advanced camera system, and powerful battery, the Tecno Spark Slim is set to make an impact at MWC 2025, further pushing the boundaries of smartphone innovation.
