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Samsung Galaxy S21 5G
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Help & support guides for your Samsung Galaxy S21 5G
Getting started
Basic functions
Calls & contacts
Messaging & email
Internet & entertainment
Data & wireless
Calls & contacts
Troubleshooting
I can't receive messages on my MessageBank®
I can't check my MessageBank®
I can't make voice calls
I can't receive any voice calls
Network
Select network
Select network mode
Turn flight mode on or off
Select dual SIM settings
Making calls
Call a contact in your address book
Turn call waiting on or off
Turn your own caller identification on or off
Contacts
Create contact
Back up contacts to your SIM and your phone
Copy contacts from social networks and email accounts
Voicemail
Save MessageBank® number
Divert calls to MessageBank®
Cancel all diverts
Call restrictions
Turn call barring on or off
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