Tecno is planning to showcase a new smartphone called Spark Slim at the MWC 2025 event. At just 5.75mm thick, the device is being positioned as the world’s thinnest smartphone to feature a big 5,200 mAh battery. Moreover, through a press release on Friday, Tecno announced that this concept smartphone will be displayed at the company's MWC booth in Barcelona.
Tecno Spark Slim: Key details
The Tecno Spark Slim features a 6.78-inch 3D curved AMOLED display with a resolution of 1224p (1.5K) and a 144Hz refresh rate. The screen has a peak brightness of 4500 nits, and the company has used recycled aluminum and stainless steel in the phone’s construction, with an integrated die-casting process for improved durability and to maintain the phone’s slimness.
In terms of optics, the Tecno Spark Slim will feature a dual rear camera setup comprising a 50MP primary camera and a 50MP secondary sensor. There is a 13MP front-facing selfie snapper. Tecno is touting the SPARK Slim as the industry’s slimmest phone with a 5,200mAh battery unit, with the battery confirmed to be just 4.04mm thick and supports 45W fast wired charging.
Tecno has not yet revealed the pricing and availability details of the Spark Slim as it is still a concept device. However, we are likely to know more details during the MWC 2025, which will commence from March 3 to March 6. Moreover, the Tecno Slim is likely to go against the upcoming Galaxy S25 Edge and the rumored iPhone 17 Air in the future.
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