Introduction
This comprehensive user guide provides detailed instructions for the Samsung Galaxy S21, S21 Plus, and S21 Ultra 5G models. It is designed to help you understand and utilize the full potential of your device, covering essential setup, operation, and advanced features. Familiarize yourself with the contents to enhance your experience with your new Samsung Galaxy smartphone.
Image: Front cover of the Samsung Galaxy S21 5G User Guide manual. The cover features a hand holding a black Samsung Galaxy S21 Ultra smartphone, highlighting its camera module. The title "SAMSUNG GALAXY S21 5G USER GUIDE" is prominently displayed.
Device Setup and Basic Operation
Initial Setup
Follow these steps to set up your Samsung Galaxy S21 device for the first time:
- Power On/Off: Press and hold the Side key until the Samsung logo appears to power on. To power off, press and hold the Side key and Volume Down button simultaneously, then tap 'Power off'.
- Auto-Restart: Configure your device to automatically restart at scheduled times for optimal performance. Navigate to Settings > General management > Reset > Auto restart at set times.
- Lift to Wake: Enable this feature to automatically turn on the screen when you lift your device. Access this setting via Settings > Advanced features > Motions and gestures > Lift to wake.
Core Operating Instructions
Communication and Connectivity
- Attend to Calls from Connected Devices: Manage calls directly from other connected Samsung devices.
- Link Your Phone to Your Computer: Seamlessly connect your Galaxy S21 to your PC for enhanced productivity and file management.
- Enable Caller ID and Spam Protection: Activate features to identify unknown callers and block spam calls.
- Using the Google Duo in the Phone Dialer: Initiate video calls directly from your phone's dialer using Google Duo.
- Enable Wi-Fi Calling: Make and receive calls over a Wi-Fi network when cellular signal is weak.
Navigation and Interface
- Customize the Home Screen and Lock Screen: Personalize your device's appearance with wallpapers, widgets, and layout options.
- Using Samsung Finder: Quickly locate apps, files, and settings on your device.
- Dual Messenger: Use two separate accounts for the same messaging app.
- Assistant Menu: Access common functions with a floating button for easier one-handed use.
- Pin Windows Feature: Pin an app to the screen to prevent accidental exits.
- Enable One-Handed Mode: Shrink the display size for easier reach with one hand.
Camera Features
Explore the advanced camera capabilities of your Galaxy S21 series device:
- Shoot 8K Videos: Capture ultra-high-definition videos with incredible detail.
- Customize Slow Motion Videos: Adjust the speed and playback of your slow-motion recordings.
- Add a Filter to your Videos/Photos: Enhance your media with various built-in filters.
- Enable Scene Optimizer: Automatically adjust camera settings for optimal photo quality based on the scene.
- Activate Shot Suggestion: Receive recommendations for the best shot composition.
- Live Focus Modes: Create professional-looking portraits with adjustable background blur.
- Explore the Food Mode: Optimize settings for vibrant and appealing food photography.
- Automatically Correct Wide-Angle Shots: Reduce distortion in wide-angle photos.
- Advanced Recording Options: Access professional video recording settings.
- Take Photos with Palm: Use a hand gesture to trigger the camera shutter.
Audio Settings and Enhancements
- Add a Trippy Audio Track: Experiment with unique audio effects for your media.
- Play with Sound Settings (Separate App Sounds): Direct specific app audio to different output devices.
- Customize Sound Based on Age: Optimize audio output for different age groups to enhance listening experience.
- Dolby Atmos: Enable immersive surround sound for a cinematic audio experience.
- Using UHQ Upscaler: Enhance the sound quality of your music and audio.
- Change Bluetooth Audio Codec: Select preferred Bluetooth audio codecs for high-quality wireless sound.
- Explore the Sound Assistant App: Gain fine-tuned control over various sound settings and volumes.
Security Features
- In-Display Ultrasonic Fingerprint Scanner: Securely unlock your device and authenticate payments using your unique fingerprint.
- The Alternate Look Feature: Set up an alternative facial recognition profile for improved security or convenience.
- Enable Digital Wellbeing: Monitor and manage your screen time and digital habits for a healthier balance.
Display Settings
- Always On Display: View time, notifications, and other information without fully waking your screen.
- Change Refresh Rate: Adjust the screen refresh rate for smoother scrolling and gaming, or to conserve battery.
- Screen Mode: Select different screen modes (e.g., Vivid, Natural) to optimize color display.
- Blue Light Filter: Reduce blue light emission to minimize eye strain, especially in low-light conditions.
- Switch to Vivid Display: Enhance color saturation and contrast for a more vibrant visual experience.
Power Management
- Maximize Battery Life: Learn tips and settings to extend your device's battery life.
- Enable Fast Charging: Utilize compatible chargers for quicker battery replenishment.
- Wireless PowerShare: Share your device's battery power wirelessly with other compatible devices.
Advanced Features
- Transfer Files Instantly with Quick Share: Share files quickly and easily with nearby Samsung devices.
- Set Up and Use Music Share: Allow friends to play music through your connected Bluetooth speaker without pairing.
- Manage Google Assistant on S21: Configure and use Google Assistant for voice commands and smart tasks.
- Extend the Timer: Adjust the duration of various timers and alerts.
Specifications
Key specifications for the Samsung Galaxy S21 series (as per the manual's publication):
| Feature | Detail |
|---|---|
| ASIN | B092PKQ2F6 |
| Publisher | Independently published |
| Publication date | April 15, 2021 |
| Language | English |
| Print length | 199 pages |
| ISBN-13 | 979-8738764646 |
| Item Weight | 10.5 ounces |
| Dimensions | 6 x 0.45 x 9 inches |
Image: Back cover of the Samsung Galaxy S21 5G User Guide manual. The cover is plain dark blue with a barcode and ISBN-13 number (979-8738764646) visible at the bottom right.
Troubleshooting
For common issues, refer to the following general troubleshooting steps:
- Device Not Responding: Press and hold the Side key and Volume Down button for more than 7 seconds to restart the device.
- App Issues: Clear the app's cache and data via Settings > Apps > [App Name] > Storage. If the issue persists, consider reinstalling the app.
- Connectivity Problems: Toggle Wi-Fi or Bluetooth off and on. For persistent network issues, reset network settings via Settings > General management > Reset > Reset network settings.
- Battery Drain: Review battery usage in Settings > Battery and device care > Battery to identify power-consuming apps. Adjust display brightness and disable unnecessary features.
For more specific troubleshooting, consult the detailed sections within this manual or visit the official Samsung support website.
Warranty and Support
For information regarding your device's warranty, please refer to the warranty card included with your Samsung Galaxy S21 series purchase or visit the official Samsung website. For technical support, software updates, and service inquiries, please contact Samsung customer service or visit an authorized service center.
Official Samsung Support: www.samsung.com/us/support/
