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Samsung Galaxy S21 5G / Galaxy S21 Ultra 5G - Reset Network Settings

2026-10-23 22:02:56.851

Samsung Galaxy S21 5G / Galaxy S21 Ultra 5G - Reset Network Settings

Here's how to reset settings if your Galaxy S21 5G / Galaxy S21+ 5G / Galaxy S21 Ultra 5G can't connect to data or send / receive messages.
If you can't connect to the internet, send or receive email and/or messages (text, picture or video), resetting the network settings may help.
By performing the steps below, the following are cleared or restored to default values:
  • Cellular and Wi-Fi network settings (including saved networks and passwords)
  • Bluetooth®
  1. From a Home screen, swipe up or down from the center of the display to access the apps screen.
    These instructions only apply to Standard mode and the default Home screen layout.
  2. Navigate:
    Settings  Settings icon
    General management
    Reset
    .
  3. Do one of the following:
    • To reset settings pertaining to how the device connects to the cellular network:
      1. Tap
        Reset mobile network settings
        .
      2. If multiple mobile network plans are present (i.e., eSIM and physical SIM card), select the desired SIM from the dropdown list.
      3. Review the info then tap
        Reset settings
        .
        If presented, enter the current PIN, password or pattern.
      4. To confirm, review the info then tap
        Reset
        .
    • To reset settings for Wi-Fi and Bluetooth:
      1. Tap
        Reset Wi-Fi and Bluetooth settings
        .
      2. Tap
        Reset settings
        .