Samsung Galaxy S21 5G Device Help & How-To Guides
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Trending Galaxy S21 5G topics
Setting up your second cellular plan with eSIM
Adding a secondary eSIM alongside a physical SIM or eSIM allows you to quickly switch between two cellular plans and/or carriers for voice or data.
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.
ExploreResetting 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.
ExplorePerforming a factory reset
A factory reset will erase all data from your device and is irreversible. This is good to do if you are going to trade in or sell your device. It will wipe all of your personal information from the device.
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