According to recent leaks and industry reports, the Galaxy S27 Ultra could look significantly different from its predecessor, the Galaxy S26 Ultra.

New concept renders created by designer 4RMD, accompanied by a simulated promotional trailer, offer a glimpse of the design direction Samsung might pursue for its next premium smartphone.

The most noticeable change is expected on the rear panel. The Galaxy S27 Ultra is rumored to feature a substantially larger camera module, creating a distinctive appearance compared with the familiar camera arrangements used on previous generations.

The Galaxy S27 Pro, another rumored premium model that could join the lineup, is also expected to adopt a similar design language.

Meanwhile, the standard Galaxy S27 and Galaxy S27 Plus are likely to retain designs closer to those of their predecessors.

This could allow Samsung to establish a clearer visual distinction between its mainstream flagship models and its most expensive devices.

Notably, the Galaxy S27 Ultra and S27 Pro are rumored to abandon the signature vertical camera arrangement that has characterized several generations of Samsung smartphones.

If accurate, this would represent one of the most substantial visual changes to the premium Galaxy S series in recent years.

However, the renders currently circulating are not official Samsung designs.

The camera module's dimensions, body contours and other finishing details could still change before the devices are announced.

Galaxy S27 Ultra battery could finally exceed 5,000mAh

Beyond its appearance, battery capacity could be one of the Galaxy S27 Ultra's most significant upgrades.

Current rumors suggest Samsung may finally move beyond the 5,000mAh battery capacity that has remained standard across several generations of Galaxy S Ultra devices.

Such a change would address a longstanding expectation among users, particularly as premium smartphones increasingly handle power-intensive tasks ranging from photography and high-resolution video recording to gaming and artificial intelligence applications.

However, existing leaks have not confirmed the Galaxy S27 Ultra's exact battery capacity.

Any increase will depend on the phone's internal architecture, battery technology and Samsung's ability to balance battery life against the device's physical dimensions and weight.

Interestingly, the concept trailer highlights a slimmer design as one of the smartphone's potential selling points.

However, the article's author argues that Samsung would be unlikely to make a marginal reduction in thickness its main marketing message.

Instead, the company may emphasize improvements that offer more tangible benefits, including longer battery life, better display quality and an enhanced overall user experience.

Galaxy S27 Ultra display could switch to DC dimming

Another potentially important upgrade involves the technology used to control screen brightness.

According to leaked information, the Galaxy S27 Ultra could adopt DC dimming instead of the low-frequency pulse-width modulation (PWM) techniques used in several previous Samsung devices.

PWM controls display brightness by rapidly switching the light output on and off.

Some users who are sensitive to this flickering may experience eye strain or discomfort, particularly when using their phones at lower brightness settings.

DC dimming adjusts brightness through a different mechanism and may reduce visible or perceptible flicker under certain operating conditions.

However, its effectiveness depends on the manufacturer's implementation, the display panel technology and the selected brightness level.

Whether the Galaxy S27 Ultra will actually feature DC dimming remains unconfirmed.

Any claimed improvements in viewing comfort will also need to be evaluated through independent, real-world testing.

Samsung is additionally rumored to be refining Privacy Display, a feature designed to make on-screen content harder for nearby people to view from oblique angles.

The technology was previously highlighted as a notable feature of the Galaxy S26 Ultra, although its practical usability and potential effects on display quality remain important considerations.

If Samsung addresses the limitations associated with earlier implementations, the Galaxy S27 Ultra could make Privacy Display more useful and accessible to a wider range of users.

For now, however, these expectations are based on unofficial reports rather than verified performance results.

Some observers may find the Galaxy S27 Ultra's rumored appearance less appealing, with its redesigned camera arrangement potentially drawing comparisons to the iPhone 17 Pro and iPhone 18 Pro.

Nevertheless, Samsung's Galaxy S Ultra lineup may be due for a substantial visual overhaul.

If the company intends to refresh the identity of its premium smartphones, a redesigned camera system and a new overall design language could provide a logical starting point.

Hai Phong