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Galaxy M21

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Guides for Samsung Galaxy M21

Popular
Apps & Services
Basics
E-mail & Messages
Network
Performance
Security & Backup

Set up Internet
Set up MMS
Connect to Wi-Fi
Switch between 3G/4G
Extend battery life
Install apps
Secure phone
Set up roaming

Set up Internet
Set up MMS
Connect to Wi-Fi
Switch between 3G/4G
Extend battery life
Install apps
Secure phone
Set up roaming

Samsung Galaxy M21

Android 11 Change

Android 11

Android 10

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