SAMSUNG Galaxy S25 Ultra SM-S938B/DS User Manual

1. Introduction

Welcome to the SAMSUNG Galaxy S25 Ultra SM-S938B/DS user manual. This guide provides essential information for setting up, operating, maintaining, and troubleshooting your new AI-powered smartphone. The Galaxy S25 Ultra is designed to offer a premium mobile experience with advanced features, a powerful camera system, and a robust operating system.

Image 1.1: Front and back view of the SAMSUNG Galaxy S25 Ultra, showcasing its design and the included S Pen.

2. Setup

2.1 Unboxing and Initial Inspection

Upon unboxing your Galaxy S25 Ultra, ensure all components are present. The standard package typically includes the smartphone and an S Pen. A SIM card is not included and must be obtained from your service provider.

Image 2.1: Back view of the SAMSUNG Galaxy S25 Ultra, highlighting the camera module and S Pen slot.

2.2 SIM Card Installation

1. Locate the SIM card tray on the side of your device.
2. Insert the SIM ejection tool into the small hole next to the tray and press firmly until the tray ejects.
3. Place your Nano-SIM card into the tray with the gold contacts facing down.
4. Carefully reinsert the tray into the device.

2.3 Powering On and Initial Configuration

Press and hold the Power/Side key until the SAMSUNG logo appears. Follow the on-screen instructions to complete the initial setup, including language selection, Wi-Fi connection, Google account setup, and security settings.

2.4 Charging the Device

Connect a compatible USB-C charger to the charging port at the bottom of the device. The device supports fast charging. Ensure you use a certified charger for optimal performance and safety. The device is equipped with a non-removable 5000 mAh Li-Ion battery.

3. Operating Your Device

3.1 Basic Navigation

The Galaxy S25 Ultra features a 6.9-inch display. Navigate using touch gestures: tap to select, swipe to scroll, pinch to zoom. The device runs on Android 15 with One UI 7, offering an intuitive user interface.

3.2 Key Features

• AI Capabilities: The device integrates advanced AI features. For instance, you can interact with Google Gemini by pressing and holding the side button to perform tasks using natural language.

Image 3.1: Illustration of the AI feature, allowing users to interact with Google Gemini by pressing and holding the side button to complete tasks without switching applications.
• Camera System: Capture high-quality photos and videos with the versatile camera system, featuring 200MP + 50MP + 50MP + 10MP lenses. It supports optical zoom at 3x and 5x, optical quality zoom at 2x and 10x, and digital zoom up to 100x.
• S Pen: Utilize the integrated S Pen for precise input, note-taking, drawing, and remote control functionalities.
• Personalized Briefings: Receive customized daily reports with the new Now Brief feature, providing summaries of your day and daily activity information.


Image 3.2: Display showing personalized briefings throughout the day, including morning summaries and evening recaps of daily activity.

• Enhanced User Interface: Experience redesigned widgets, a new Now Bar for quick access to news, and improved live notifications.


Image 3.3: Screenshots illustrating the new Now Bar for direct access to news, customizable widgets with new designs, and live notifications for real-time updates.

3.3 Network Connectivity

The device supports 5G, 4G, 3G, and 2G network bands. For 5G connectivity, ensure your local telecom operator services support it and that 5G is available in your region. Contact your service provider for details.

4. Maintenance

4.1 Battery Care

To prolong battery life, avoid extreme temperatures. Charge your device using only SAMSUNG-approved chargers and cables. Avoid fully discharging the battery frequently.

4.2 Software Updates

Regularly check for and install software updates to ensure your device has the latest features, security patches, and performance improvements. Your device is eligible for up to 7 major Android upgrades.

4.3 Cleaning Your Device

Use a soft, lint-free cloth to clean the screen and body of your phone. Avoid harsh chemicals or abrasive materials that could damage the finish.

4.4 Storage Management

Periodically review your device's 512GB internal storage. Delete unnecessary files, uninstall unused apps, and back up important data to cloud services or an external drive to maintain optimal performance.

5. Troubleshooting

This section addresses common issues you might encounter with your Galaxy S25 Ultra.

• Device Not Powering On: Ensure the battery is charged. Connect the charger and wait a few minutes before attempting to power on again. If unresponsive, perform a forced restart by holding the Power/Side key and Volume Down key simultaneously for about 7-10 seconds.
• Network Connectivity Issues: Check if your SIM card is properly inserted. Verify that Airplane Mode is off. Restart your device. If issues persist, contact your service provider to confirm network availability and SIM card status.
• Apps Crashing or Freezing: Close and reopen the app. Clear the app's cache and data in Settings > Apps. Ensure the app is updated to its latest version.
• Slow Performance: Free up storage space, close background apps, and restart your device. Consider performing a factory reset as a last resort (Note: This will erase all data on your device. Back up your data before proceeding.).

6. Specifications

7. Warranty and Support

7.1 Product Warranty

Your SAMSUNG Galaxy S25 Ultra is covered by a limited manufacturer's warranty. Please refer to the warranty card included with your product or visit the official SAMSUNG website for detailed terms and conditions, including warranty duration and coverage specifics.

7.2 Customer Support

For technical assistance, service, or further inquiries, please contact SAMSUNG customer support. You can find contact information, FAQs, and support resources on the official SAMSUNG support website.