Tecno Unveils World's Thinnest Phone and Tri-Fold Concept at MWC 2025

Tecno showcases the 5.75mm-thin Spark Slim and the Phantom Ultimate 2 tri-fold concept, pushing the boundaries of smartphone design.

The Tecno Spark Slim concept phone, revealed at MWC 2025, measures just 5.75mm thick, making it the thinnest smartphone to date.
Despite its ultra-slim design, the Spark Slim features a 5,200mAh battery, a 6.78-inch AMOLED display, and dual 50MP rear cameras.
Tecno also introduced the Phantom Ultimate 2, a tri-fold concept phone with a 6.48-inch display that unfolds into a 10-inch 3K OLED screen.
The Phantom Ultimate 2 boasts a hinge mechanism designed to withstand 300,000 folds and includes multitasking modes for enhanced productivity.
Additional Tecno prototypes showcased include a color-changing E-ink back panel and a UV-reactive photochromic design, highlighting innovative materials.