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2025-05-16 13:41:57.92

Samsung Galaxy S21 5G / S21+ 5G / S21 Ultra 5G - Auto Switch Between Wi-Fi & Mobile Data Networks

Here's how to allow your Galaxy S21 5G / S21+ 5G / S21 Ultra 5G to auto-switch between Wi-Fi and mobile data to preserve a consistent data connection.
  1. Open the
    Settings app
    .
  2. Navigate:
    Connections
    Wi-Fi
    .
  3. Tap the
    Menu icon
     Menu icon then tap
    Intelligent Wi-Fi
    .
  4. Tap
    Switch to mobile data
     to turn on or off.