Samsung Care

Samsung Premium Care
Pick the time and place and a team member will meet you to set up, troubleshoot, repair, or replace your product. Visit Samsung.com/us/ support/premium-care to enrol.

Get to know your product
Visit Samsung.com/us/support or download the Samsung Members app

SAMSUNG Galaxy S21 5G Mobile User Guide - Google Play Store Logo

Contact us
Questions? Visit us.community.samsung.com for questions

Get Support
Call 1.800.SAMSUNG for support

Service locations
Find a service location near you at Samsung.com/us/support/service/ locations

Learn more

SAMSUNG Galaxy S21 5G Mobile User Guide - Settings

Install your SIM card

  1. Locate the SIM card tray.
  2. Insert the SIM ejector pin into the hole on the card tray.
  3. Pull out the card tray.
  4. Insert the Nano-SIM card in the tray with the gold contacts facing up.SAMSUNG Galaxy S21 5G Mobile User Guide - Install your SIM card
  5. 5. Insert the card tray back into the slot.

About your phone

SAMSUNG Galaxy S21 5G Mobile User Guide - About your phone

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.

Samsung account

Get the most out of your phone with your Samsung account. You can sign in to your Samsung account, create an account, or sign up with your Google account. With your phone and your Samsung account, you can:

  • Use Samsung Pay
  • Schedule repairs
  • Back up your phone
  • Restore your phone and more
SAMSUNG Galaxy S21 5G Mobile User Guide - Samsung account

For more information Samsung.com/us/support/account

Switching made simple

Whether you’re coming from an iOS or Android platform, you can easily transfer your data with Smart Switch.

Back up your old phone
Back up your old phone using your favourite back-up app.

Samsung Smart Switch

  1. From your new Galaxy device, tap Settings > Accounts and backup > Bring data from old device.
  2. Tap Receive data.
  3. Select your old device type and follow the prompts to connect your phones.

For more information Samsung.com/us/smart-switch To download Smart Switch Samsung.com/us/support/owners/app/smart-switch

SAMSUNG Galaxy S21 5G Mobile User Guide - Select a source

Customize

From the Apps panel, tap Settings SAMSUNG Galaxy S21 5G Mobile User Guide - Settings iconto customize your phone.

Essential apps

SAMSUNG Galaxy S21 5G Mobile User Guide - Essential apps

For more information
Google Duo: duo.google.com
Google Photos: support.google.com/photos
Google Drive: support.google.com/drive

Emergency alerts

In case of emergency situations, local governments can send alerts to your phone. You can customize this feature.

  1. From the home screen, swipe up for apps.
  2. Tap Settings > Notifications > Advanced settings > Wireless Emergency Alerts.
  3. Tap Allow alerts to turn alerts on/off.

US cellular™ Customer Care 1.888.944.9400

©2021 Samsung Electronics America, Inc. Samsung and Galaxy are both trademarks of Samsung Electronics Co., Ltd. Other company and product names mentioned herein may be trademarks of their respective owners. Screen images simulated. Appearance of phone may vary. Images shown are for reference only. If you use a screen protector, make sure it allows for use of touch-screen features.

Documents / Resources

SAMSUNG Galaxy S21 5G Mobile [pdf] User Guide
Galaxy S21 5G, Galaxy S21 5G, Galaxy S21 Ultra 5G, Mobile

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