Device guides for

Samsung Galaxy S21+ 5G

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Choose network mode List of screen icons Choose voice control settings Choose a network

Getting started

Basic functions

Calls and contacts

Messages and email

Manage apps and data

Camera

Internet and data

Global services

Troubleshooting

Specifications

Call a contact in your address book

You can make a voice call by finding the number in your mobile phone's address book. Before you can call a contact in your address book, you need to create a contact in the address book.