Why does my Android™ device automatically connect to the 2.4 GHz band
Most Android™ devices prefer range over speed. If the Wi-Fi Name is the same on your 2.4 GHz and 5 GHz dual-band network, by default, your Android device will automatically connect to the 2.4 GHz band.
In order to maximize your dual-band network, it is recommended to use unique Wi-Fi Names for your 2.4 GHz and 5 GHz networks. To learn how to change your Wi-Fi Name, click on your device below: