Samsung Galaxy S21 Series 5G Quick Reference Guide
This guide provides essential information for setting up and using your Samsung Galaxy S21, S21+, and S21 Ultra 5G devices.
Samsung Care
Samsung Premium Care
Samsung Premium Care offers a dedicated team member to assist with setup, troubleshooting, repair, or replacement of your product. Enroll at Samsung.com/us/support/premium-care.
Get to know your product
Visit Samsung.com/us/support or download the Samsung Members app ? for more information.
Contact us
For questions, visit us.community.samsung.com.
Get Support
Contact Samsung support by calling 1.800.SAMSUNG.
Service locations
Find a service location near you at Samsung.com/us/support/service/locations.
Learn more
⚙️ Settings | ? Tips and help
Install your SIM card
Follow these steps to install your nano-SIM card:
- Locate the SIM card tray on your phone.
- Insert the SIM ejector pin into the small hole on the card tray.
- Gently pull out the card tray.
- Place the nano-SIM card in the tray with the gold contacts facing upwards.
- Insert the card tray back into the slot until it clicks into place.
Visual Description: A diagram shows a SIM card tray being removed from a phone. A SIM ejector pin is shown inserted into the hole to release the tray. A nano-SIM card is depicted with gold contacts facing upwards, ready to be placed in the tray.
About your phone
Visual Description: Three Samsung Galaxy S21 series phones are shown side-by-side: the S21 5G (smallest), S21+ 5G (middle), and S21 Ultra 5G (largest). The phones display their screens and camera arrays. Labels point to key components: 'Cameras' (indicating multiple lenses), 'Volume' (buttons on the side), 'Side key' (power/Bixby button), 'Audio / USB port' (at the bottom), and 'SIM card tray' (on the side).
Key components include:
- Cameras: Advanced camera system for photography.
- Volume: Buttons to adjust audio levels.
- Side key: Power button, also used for other functions.
- Audio / USB port: For charging and data transfer.
- SIM card tray: Holds your nano-SIM card.
Samsung Account
Get the most out of your phone with a Samsung account. You can sign in, create an account, or sign up using your Google account. With your Samsung account, you can:
- Use Samsung Pay
- Schedule repairs
- Back up your phone
- Restore your phone and more
For more information, visit Samsung.com/us/support/account.
Switching Made Simple
Easily transfer your data from an iOS or Android device to your new Galaxy phone using Smart Switch.
Back up your old phone
Back up your old phone using your preferred backup app.
Samsung Smart Switch
To transfer data using Smart Switch:
- On your new Galaxy device, tap Settings ⚙️ > Accounts and backup > Bring data from old device.
- Tap Receive data.
- Select your old device type (e.g., Galaxy/Android, iPhone/iPad) and follow the on-screen prompts to connect your phones.
Visual Description: A screenshot of the Smart Switch app on a phone shows a screen titled 'Select a source'. Options include 'Galaxy/Android', 'iPhone/iPad', and 'Windows Phone', allowing the user to choose the origin of the data to be transferred.
For more information on Smart Switch, visit Samsung.com/us/smart-switch. To download the app, visit Samsung.com/us/support/owners/app/smart-switch.
Customize
Personalize your phone by accessing the Settings app from the Apps panel.
Visual Description: A screenshot of the phone's Settings menu is displayed, showing various categories like 'Samsung account', 'Connections', 'Sounds and vibration', 'Notifications', and 'Display'.
Essential Apps
Your Galaxy phone comes with several useful apps:
- Samsung Pay: A secure and convenient way to pay.
- Samsung Pass: Manage passwords and log in securely.
- Google Duo: Simple, high-quality video calling for various devices. Learn more at duo.google.com.
- Google Photos: Store and back up your photos and videos. Get help at support.google.com/photos.
- Google Drive: Store, share, and access your files from any device. Get help at support.google.com/drive.
Visual Description: Icons representing essential apps are shown: Samsung Pay, Samsung Pass, Google Duo, Google Photos, and Google Drive.
Emergency Alerts
Receive important alerts from local governments during emergencies. You can customize this feature:
- From the home screen, swipe up to access all apps.
- Tap Settings ⚙️ > Notifications > Advanced settings > Wireless Emergency Alerts.
- Toggle "Allow alerts" to turn them on or off.
UScellular™ Customer Care
For support, contact UScellular™ at 1.888.944.9400.
©2021 Samsung Electronics America, Inc. Samsung and Galaxy are trademarks of Samsung Electronics Co., Ltd. Other company and product names mentioned are trademarks of their respective owners. Screen images are simulated and may vary. Images are for reference only. Ensure screen protectors do not interfere with touch-screen features.
Use only Samsung-approved chargers and cables. To avoid injury or damage to your device, do not use incompatible, worn, or damaged batteries, chargers, or cables.
