TECNO Modular Phone: An ultra-thin 4.9mm modular smartphone set to be unveiled at MWC 2026.

TECNO is preparing to make headlines at MWC 2026 with the introduction of the TECNO Modular Phone, a modular smartphone ecosystem touted as the world's thinnest currently available. The concept focuses on allowing users to flexibly customize the hardware without sacrificing the device's sleek and lightweight design.

Modular magnetic connection technology on the 4.9mm body.

The biggest highlight of the TECNO Modular Phone is the impressively thin design of the basic unit, measuring just 4.9mm. To achieve this, TECNO developed a system they call "Modular Magnetic Connection Technology." This system allows additional hardware components to be quickly and securely attached to the back of the phone.

Unlike past modular phone projects that were often criticized for their clunky appearance, TECNO's solution ensures that even with added accessories, the overall size of the device remains comparable to traditional bar-style smartphones on the market.

Ecosystem of 10 specialized accessories

This ecosystem comprises approximately 10 different accessory modules, designed to meet specific user needs rather than integrating everything into a single device. Some typical modules include:

• Backup battery module:Despite being only 4.5mm thick, it has the potential to double the device's battery life.
• Action camera module:Offers exceptional camera angles and advanced image stabilization capabilities.
• Telephoto lens module:This allows for expanded optical zoom capabilities, using the phone's home screen as a direct viewfinder.

This design philosophy allows users to carry only what is truly necessary, avoiding the need to use bulky built-in hardware that is rarely used in daily life.

Two design languages: ATOM and MODA

TECNO plans to introduce two versions of this concept to suit different customer segments. The ATOM version features a minimalist style with a silver aluminum casing and red accents. Meanwhile, the MODA version is inspired by the tech world with more mechanical and modern details.

Below is a preliminary specifications table for the TECNO Modular Phone concept:

Although the project's potential for widespread commercialization remains questionable, TECNO asserts that the core technologies within this ecosystem are fully applicable and expandable to future mobile devices. The project demonstrates a new direction for manufacturers in seeking design breakthroughs rather than simply focusing on upgrading traditional hardware configurations.