Marcin Plaza’s Mobile Phone Transformation: A Retro-Innovation Journey
In a world where mobile phone design often seems stagnant, American YouTuber Marcin Plaza decided to take matters into his own hands. Frustrated by the lack of creativity in current smartphone designs, he aimed to create a device that truly adapted to his needs. His experiment, ultimately successful, has sparked significant controversy due to its retro-inspired nature, leading some to label it a “retro-innovator” mobile.
What Happened. Marcin is renowned for his innovative and experimental approach, often dubbed the “Frankenstein of devices.” A few months ago, he made headlines by replacing the keyboard of his Lenovo Yoga laptop with a mechanical one. Recently, he took to the streets for another unique endeavor: transforming his Samsung Galaxy Z Flip 5 into a one-of-a-kind mobile phone.
The Essence of Physical Keyboards. Plaza’s idea was to utilize the outer display of the Galaxy Z Flip 5 and couple it with the physical keyboard from an old Blackberry Q10 (2013). The aim was to create a sliding keyboard that could hide beneath the screen of the Z Flip 5, which had suffered damage. However, transforming this vision into reality proved to be a daunting task.
An Infernal Process. In the detailed video chronicling Plaza’s journey, he begins by disassembling the Z Flip 5 to salvage usable components. After this, he designs a custom housing and opts to print it using a CNC machine, following several rounds of testing with a 3D printer. To facilitate the integration of the Blackberry keyboard, he also constructed a small circuit using an Arduino Pro microcontroller .
Seeking Solutions. The challenges didn’t stop there. To enable the opening of various applications on the device’s small front screen, Plaza utilized Samsung’s Good Lock app along with its multistar module . As a finishing touch, he added a magnetic ring for wireless charging, making it a marvel of DIY ingenuity.
This Mobile Sounds Familiar. After countless digital DIY tests and modifications, Plaza successfully created a functional “Frankenstein” mobile equipped with a small front display and a sliding keyboard. Interestingly, this design had already been realized 15 years earlier by BlackBerry with the Torch 9800 , first introduced in 2010. It seems that while Plaza sought innovation, he inadvertently revisited a design from the past.
A Hardly Replicable Experiment. Plaza has shared some of the project details, allowing viewers to grasp the intricate process behind this transformation. However, replicating his project proves challenging, as the primary guide consists of his detailed YouTube video. Regardless, the end result is nothing short of astounding—especially considering that it works. The irony lies in the title of his project, “I built my own mobile … because current innovation is sad,” while the device itself lacks true novelty. That said, the accomplishment is undeniably impressive, showcasing Plaza’s dedication and ingenuity in a world yearning for fresh ideas.
In an age where technological advances often favor sleek designs and touch screens, Marcin Plaza has dared to return to the roots of mobile phone design while blending them with modern technology. His journey not only highlights the importance of creativity and innovation in technology but also offers a critique of the current state of mobile advancements. The intersection of past and present in Plaza’s creation serves as a reminder that innovation isn’t solely about new designs but also about reimagining what currently exists, an approach that might inspire others to think differently about their gadgets. The journey of this retro-innovator is a testament to the ongoing desire for devices that truly cater to user needs.

