Galaxy S25 Ultra: The formula for a perfect phone?

CTVXOctober 26, 2025 05:23

The Galaxy S25 Ultra is a testament to ultimate perfection, excelling in its display, performance, and battery. While not revolutionary, it remains one of the most well-rounded Android options available.

A familiar design, yet achieved to perfection.

The Samsung Galaxy S25 Ultra doesn't pursue groundbreaking changes in appearance; instead, it focuses on perfecting a proven and successful design formula. The phone feels solid and premium with its metal frame and glass back, a practical yet effective design philosophy. While some users might expect more color options, the overall design still exudes elegance and sophistication.

Thiết kế tổng thể của Samsung Galaxy S25 Ultra
The design of the Galaxy S25 Ultra focuses on refinement and perfection.

The display is one of the most impressive features of the S25 Ultra. Protected by Gorilla Armor 2, this panel delivers industry-leading display quality in the mobile industry. High brightness, vibrant colors, and ultra-thin bezels combine to create a near-perfect visual experience, from watching videos and playing games to everyday tasks.

Experience One UI software and the Galaxy AI ecosystem.

One UI, Samsung's user interface, has evolved into a powerful and visually appealing customizable operating system. With newer versions like One UI 7 and One UI 8 beta, Samsung delivers visual improvements, smoother animations, and useful features. The split notification panel allows for efficient notification management, while the AI-integrated search tool in Settings lets users quickly access desired customizations.

Giao diện One UI trên Galaxy S25 Ultra
The One UI interface offers a wide range of customization options and powerful features.

For users who love personalization, the Good Lock app opens up countless possibilities, allowing them to change icon shapes, customize the status bar, and adjust the volume control panel. However, the heavily promoted "Galaxy AI" feature set may not be useful for everyone. Some users argue that these automation features are not reliable enough to completely replace manual operation.

Camera systems: Prioritizing consistency

The Galaxy S25 Ultra's camera system is built with consistency and reliability in mind. While it may not possess groundbreaking hardware technologies like some competitors from Vivo or Xiaomi, this camera system still produces high-quality photos. The colors are slightly more vibrant than the Pixel series, but have been toned down compared to previous Galaxy generations, creating a good balance.

Cụm camera trên Samsung Galaxy S25 Ultra
Samsung focuses on stability and consistent quality for its camera systems.

The 3x optical zoom and up to 15x digital zoom still deliver sharp image quality, offering excellent flexibility for users. However, a persistent weakness of the Galaxy series is that the shutter speed has not been drastically improved, which can make it difficult to photograph fast-moving subjects.

s25 ultra sample image
s25 ultra sample image

In terms of video recording capabilities, the S25 Ultra continues to be one of the top Android devices, capable of processing video directly on the device at resolutions up to 8K. Software updates have fixed exposure issues and the smooth zoom feature works effectively, delivering a professional filming experience.

Impressive battery life and performance enhancements.

Battery life is a significant strength of the Galaxy S25 Ultra. The device can easily handle a full day of heavy use, and the standby time is also very impressive. A notable feature is the "Light Performance" mode, which reduces the CPU clock speed to around 70-75% to extend battery life without significantly impacting the daily user experience.

Biểu đồ thời lượng pin của Galaxy S25 Ultra
Battery life is one of the biggest advantages of the S25 Ultra.

Nevertheless, charging speed remains an area where Samsung can improve. With increasingly high fast charging standards, upgrading to 65W in future versions is something many users are hoping for.

The changing role of the S Pen

The S Pen, an icon of the Note and Ultra series, seems to be gradually changing roles. The removal of Bluetooth connectivity in recent versions has reduced some of its remote control capabilities, making it more of a note-taking and sketching tool than a versatile peripheral. This raises questions about the long-term future of the S Pen in the Galaxy product line.

Conclude

The Samsung Galaxy S25 Ultra isn't a smartphone with many surprises, but it's a highly polished product. From design, display, software to battery life, every aspect has been refined to deliver a reliable and comprehensive experience. While the camera needs some upgrades to compete and the design is somewhat angular, it remains one of the best Android phones on the market, especially suitable for those seeking a powerful and versatile device.

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Galaxy S25 Ultra: The formula for a perfect phone?
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