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MWC 2025: Samsung Unveils One UI 7 and Three New Galaxy Devices

By madridmandez@gmail.com / April 13, 2025

At Mobile World Congress (MWC) 2025, Samsung took center stage, revealing an impressive lineup of three new Galaxy devices powered by the much-anticipated One UI 7. Building on its legacy of innovation, Samsung’s announcements at this year’s tech showcase signal a bold step into the future of mobile experiences, with a strong focus on artificial intelligence, seamless integration, and personalized user control.

Here’s everything you need to know about Samsung’s game-changing announcements from Barcelona.

One UI 7: Smarter, Faster, and More Personal Than Ever

Samsung’s custom Android interface has evolved into a powerhouse of AI-driven features, smoother animations, and deep customization. With One UI 7, the company pushes the boundaries of user experience by focusing on contextual intelligence, security, and accessibility.

Key Features of One UI 7:

Galaxy AI Assistant 2.0: A smarter, on-device assistant capable of handling nuanced tasks, conversation-level queries, and real-time document summarization.
Smart Hub Dashboard: Integrates all connected Samsung devices, offering a unified control panel for home automation, health tracking, and digital wellbeing.
Live Translate Pro: Upgraded real-time translation for voice, text, and video captions across multiple languages.
Dynamic Screen Sync: Adapts brightness, contrast, and refresh rate based on app type and ambient environment.
Security Vault+: New biometric encryption layer and advanced app permission auditing tools.

One UI 7 is built on Android 15 and begins rolling out globally in Q2 2025, starting with flagship devices.

The Three New Galaxy Devices Unveiled

Samsung also showcased three premium Galaxy devices, each catering to distinct segments of the market but unified by their intelligent software and cutting-edge hardware.

1. Galaxy S25 Ultra – The AI-Driven Flagship

Designed for creators and power users, the S25 Ultra is packed with features that redefine mobile photography, productivity, and gaming.

Highlights:

Snapdragon 8 Gen 4 chip with AI compute engine
Quad rear cameras with 200MP primary lens
2K AMOLED LTPO display with 144Hz adaptive refresh
AI-powered battery optimization for extended use
Seamless DeX mode with wireless monitor casting

Ideal For: Tech enthusiasts, content creators, mobile gamers

2. Galaxy Z Fold 6 – Thinner, Lighter, Smarter

Samsung continues to dominate the foldable space with the Galaxy Z Fold 6, featuring a reengineered hinge and sleeker design.

Highlights:

7.9” Infinity Flex inner display, now 30% brighter
New multitasking layout with One UI 7 gestures
Flex Mode AI tools for video calling and productivity
Water resistance upgrade (IPX8)
5000mAh battery with 45W Super Fast Charging

Ideal For: Business users, multitaskers, early adopters of foldables

3. Galaxy Watch X – Health Intelligence Reimagined

The all-new Galaxy Watch X introduces advanced health tracking and AI-assisted fitness coaching, merging wellness with wearables.

Highlights:

AI Health Companion with real-time coaching
Enhanced sleep staging with EEG-based analysis
Blood glucose monitoring (FDA cleared in select markets)
LTE, Wi-Fi 6, and Bluetooth 5.4 support
Up to 5-day battery life in Smart Mode

Ideal For: Health-conscious users, athletes, wearable tech fans

A Unified Galaxy Ecosystem: Smarter Together

Samsung emphasized its continued commitment to building a harmonized ecosystem across mobile, wearable, and smart home products. One UI 7 acts as the foundation for a seamless multi-device experience.

mermaidCopierModifiergraph TD
    A[One UI 7] --> B[Galaxy S25 Ultra]
    A --> C[Galaxy Z Fold 6]
    A --> D[Galaxy Watch X]
    B --> E[Smart Productivity]
    C --> F[Foldable Innovation]
    D --> G[Health Intelligence]

This diagram illustrates how One UI 7 connects all devices to deliver a cohesive and intelligent user experience.

Final Thoughts

Samsung’s presentation at MWC 2025 wasn’t just about launching devices — it was about shaping the future of user-centered mobile technology. With One UI 7 leading the charge and a trio of hardware that combines design, power, and intelligence, Samsung has reinforced its position at the forefront of the global tech race.

For consumers, the message is clear: the Galaxy ecosystem isn’t just evolving — it’s becoming indispensable.