Samsung Galaxy S21+ 5G Device Help & How-To Guides

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Galaxy S21+ 5G

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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.
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Blocking and unblocking a contact

If you no longer want to receive text messages or phone calls from a contact, you can block their number on your device. This however does not prevent the contact from leaving voicemails.
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Inserting and Removing the Nano SIM Card

Learn how to insert, remove, and replace a SIM card in your device.
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Setting up an eSIM with a push notification

This tutorial walks you through the process of setting up an eSIM on your device using a push notification sent by your carrier. This guide shows you how to accept the notification, download the eSIM profile, and activate your mobile service quickly and securely—without scanning a QR code or manually entering details.
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Common issues and fixes