Samsung’s next flagship lineup could be the thinnest Galaxy phones yet, if new leaks are anything to go by. The Galaxy S26 series, expected to arrive in early 2026, is said to be pushing slimmer designs across all models without cutting down on battery life or durability.
According to a report, the Galaxy S26 Pro, S26 Edge, and S26 Ultra are all getting noticeable reductions in thickness compared to this year’s S25 models. The S26 Pro, which replaces the base model, reportedly comes in at just 6.7mm thick (down from 7.2mm). The S26 Edge could slim down even further to 5.5mm, compared to the S25 Edge’s 5.8mm. Despite that, it’s said to pack a larger 4,200mAh battery a bump from 3,900mAh.
The S26 Ultra, meanwhile, is tipped to measure 7.8mm, compared to 8.2mm on the S25 Ultra. That reduction is more modest, as the Ultra still houses the S Pen, which limits how thin the design can get unless Samsung rethinks the stylus entirely.
These figures are based on internal prototypes, so the final numbers could shift slightly before launch. Still, Samsung seems to be positioning the lineup against rivals like Apple’s rumored iPhone 17 Air, which may come in at just 5.5mm.
Alongside slimmer builds, Samsung is keeping headline specs like a 200MP camera and upgraded charging on the Ultra. The Galaxy S26 family is slated for a January 2026 launch, with prices expected to mirror this year’s lineup — $799 for the S26 Pro, $1,099 for the S26 Edge, and $1,299 for the S26 Ultra. Still, a bump wouldn’t be out of the question, given Samsung’s history, the new ‘Pro’ branding, and the rumored redesign.
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