Tecno showcased a concept smartphone featuring a zero-millimeter bezel design at the Berlin IFA trade show, burying the screen edges beneath the metal frame of the phone rather than keeping them uncovered on the front surface. Based on reports from GSMArena and Android Authority, the device is built with a 6.78-inch OLED display supporting a 144Hz refresh rate and 1.5K resolution, paired with a MediaTek Dimensity 7400e processor, 8GB of RAM, 256GB of storage, a 6,000mAh battery, and a triple camera setup on the back anchored by a 50-megapixel primary sensor. The concept device shares its underlying hardware and design with the recently announced Tecno Camon Slim, according to company disclosures.
How Tecno Achieved the Zero-Millimeter Bezel
To eliminate the visible black borders typically found around smartphone displays, Tecno employed a dual-layer cover glass. According to GSMArena, the lower layer wraps around the midframe to conceal the inactive area and the borders that would normally sit in view. Android Authority noted that this method involved reversing the usual screen-building steps by inserting the display module from the rear of the phone instead of the front, while applying a specialized hot-melt adhesive from the front to lock the secondary glass pane in position.
The engineering changes created new challenges for daily operation. Because the bezel is completely hidden, there is no longer a traditional border for a finger to rest on. Tecno stated that it had to rework touch sensitivity and user interface elements to accommodate the flush edges, adding that the development will pave the way for future flagship innovations.
Hands-On Impressions and Physical Trade-Offs
Ahead of the official debut at IFA, YouTuber Marques Brownlee published a hands-on video examining the phone from multiple angles. According to Brownlee, the raised frame Tecno uses to hide the display’s border can be felt under a finger during edge gestures, such as swiping up to return to the home screen or swiping down to open notifications on Android.
Android Authority and GSMArena reviewers who handled the device at the convention noted that the screen appears to run right into the frame, though a tiny tinge of the black border remains visible if viewed closely at an angle, particularly near the bottom edges. Furthermore, Brownlee observed that the tight integration leaves less room than a conventional bezel for a protective phone case to sit around the display without overlapping the active screen area.
Did You Know? Tecno has a history of bringing unconventional concept hardware to trade shows, having previously demonstrated the Phantom Ultimate G Fold—billed as the world’s thinnest trifold phone—ahead of IFA 2025, alongside an ultra-thin modular phone at MWC 2026.
Design Variations and Production Outlook
The rear of the concept device features a holographic, lenticular finish with a subtle 3D flower pattern etched into the white panel that catches the light as the phone moves, as observed by Android Authority. Despite the radical display packaging, the device retains a standard punch-hole selfie camera rather than utilizing an under-display sensor.
Tecno has not announced any plans to put the zero-millimeter bezel design into commercial production. The company positioned the hardware strictly as a concept to demonstrate advanced internal stacking, structural re-engineering, and novel screen packaging techniques.
Frequently Asked Questions
Can you buy Tecno’s bezel-less concept phone?
No, Tecno has not announced any plans to put the zero-millimeter bezel design into production.
How does Tecno hide the display borders?
Tecno uses a dual-layer cover glass where the lower layer wraps around the midframe to conceal the inactive area, combined with an inverted assembly process where the module is inserted from the back.
Does the concept phone have a front-facing camera?
Yes, the device retains a conventional punch-hole selfie camera rather than an under-display sensor.
What are your thoughts on zero-millimeter smartphone bezels? Do you prefer edge-to-edge displays, or do you worry about accidental touches and durability? Share your thoughts in the comments below, and subscribe to our newsletter for more mobile technology updates.
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