Help and support for
Samsung Galaxy A21s

Android 10.0

Change the device

Most viewed guides

Restart your phone

Improve battery life

Change ringtone

Sell your Samsung Galaxy A21s up to

£19.00*

*The final value depends on the condition of the device.

Thinking about upgrading?

Find your trade-in value and save on an upgrade.

Contacts and messages on your Samsung Galaxy A21s

Setup and first use

Contacts and messaging

Connectivity and network

Troubleshooting

I can't send and receive text messages

I can't send and receive picture messages

I can't send and receive emails

Contacts

Copy contacts between your SIM and your phone

Copy contacts from social networks and email accounts

Call a contact in your address book

Text messaging

Set up text messaging

Write and send text messages

Picture messaging

Set up picture messaging

Write and send picture messages

Email

Set up POP3 email

Set up IMAP email

Write and send emails