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Meet Tecno’s Phantom Ultimate G Fold: The Thinnest Tri‑Fold Concept Yet
A bold move into futuristic foldables
On July 17, 2025, Tecno shook up the foldable-phone landscape with its Phantom Ultimate G Fold Concept. This gorgeously engineered tri-fold marvel measures just 11.49 mm when folded and an astounding 3.49 mm when fully opened. By comparison, that’s slimmer than Samsung’s Galaxy Z Fold 7 and even Huawei’s Mate XT.
What makes it tick? The “G‑style” design
At its heart is the innovative dual-hinge “G-style” system, featuring:
- A smaller “waterdrop” hinge on the right to fold the inner screen inwards seamlessly.
- A larger primary hinge on the left to complete the inward fold, securing the display inside
Tecno highlights a gapless closure, self-locking safety, and durability—thanks to materials like 2,000 MPa ultra-high-strength steel and Titan Fiber for the ultra-thin back
Expansive screen, creative modes
Unfolded, it reveals a 9.94‑inch display with near-zero creasing. The dual hinges enable hovering at multiple angles, letting the device act like a mini laptop or portable workstation
Flags wave for flagship specs
Although just a concept, Tecno hints at a full flagship experience: a high-performance chipset, versatile triple-camera array, and 5,000 mAh+ battery
Why It Matters
- Display protection: inward folding shields the fragile flexible display, unlike outward-folding Zs and Xs.
- Ultra-thin profile: at 3.49 mm open, it outclasses rivals like the Mate XT (3.6 mm) and Galaxy Z Fold 7 (~4.2 mm).
- Strategic timing: Tecno’s announcement precedes Samsung’s rumoured “Galaxy Z Trifold” launch later this year.
The Future & Roadmap
- Concept status: Tecno confirms it’s a showcase prototype, not yet destined for shelves.
- Debut stage: Expect a full showing at MWC 2026 in Barcelona.
- Market competitors: Samsung and Huawei are also in the race— Samsung is aiming for a late‑2025 release, and Huawei already launched its Mate XT in September 2024
Final Thoughts
Tecno’s Phantom Ultimate G Fold is more than a concept—it’s proof that foldable innovation is heating up. Its inward G‑style folds, ultra‑slim profile, and premium materials show serious engineering prowess. While it remains a non-commercial prototype, it marks a meaningful challenge to industry giants. If it inspires others, the next generation of foldables may be thinner, stronger, and more functional than ever.