Samsung Galaxy S21 Ultra 5G Device Help & How-To Guides
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Resetting network settings
If you are having trouble connecting to the Internet you may need to reset your network connections. Resetting your network connections will disconnect any Bluetooth devices connected to your device and disconnect your device from any Wi-Fi networks it is connected to.
ExploreChecking for and installing system updates
It's important to keep your device current with the latest features, security updates, and other critical fixes.
ExploreChanging Roaming Settings for a Trip
When traveling internationally, you may want to turn data roaming on and off to conserve data and minimize unwanted fees.
ExploreChanging message settings
Change the text messaging settings for your device. You can change your notification settings, change your default SMS app, auto-download MMS text, and more.
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