Samsung’s upcoming Galaxy S26 series is shaping up to be the brand’s thinnest flagship lineup ever. A fresh leak from trusted sources, shared via overseas tech site Sammy Guru, reveals that all three models in the S26 family will be slimmer than their predecessors — without compromising on features.
Three Models, One Slimmer Future
The Galaxy S26 series will include:
- Galaxy S26 Pro
- Galaxy S26 Edge
- Galaxy S26 Ultra
According to the leak, here’s how the thickness compares to the current Galaxy S25 models:
| Model | S26 Thickness | S25 Thickness | Difference |
| Galaxy S26 Pro | 6.7mm | 7.2mm | -0.5mm |
| Galaxy S26 Edge | 5.5mm | 5.8mm | -0.3mm |
| Galaxy S26 Ultra | 7.8mm | 8.2mm | -0.4mm |
S26 Edge — A Contender for the World’s Thinnest Smartphone
The Galaxy S26 Edge stands out with its ultra‑slim 5.5mm profile. If this measurement holds true in the final product, Samsung could once again claim the title of world’s thinnest smartphone.
✏ S Pen Stays — For Now
Despite the slimmer build, the Galaxy S26 Ultra will still include the S Pen — a relief for fans who rely on Samsung’s stylus for productivity and creativity. Interestingly, early rumors suggest that the Galaxy S27 Ultra might drop the S Pen, but for the 2026 model year, it’s here to stay.
🛠 Prototype Specs — Almost Final
The leaked dimensions are reportedly based on prototype units. While small adjustments could be made before launch, insiders claim the measurements are “almost final.”
Launch Timeline
Samsung is expected to officially announce the Galaxy S26 series in January 2026, with availability likely soon after. The company appears focused on delivering a perfect balance of thinness, style, and functionality — a combination that could make the S26 lineup one of the most talked‑about smartphone releases of the year.
As someone who closely follows smartphone trends, I believe Samsung’s push for ultra‑slim designs could set a new industry benchmark. However, the real test will be whether battery life and durability remain uncompromised. If Samsung nails that balance, the S26 series could dominate both headlines and sales charts in 2026.
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