Changing Modes 2G, 3G, or 4G on Android

By default, the Android device is on 3G network mode. But you can change it at any time to maximize the speed of the internet. In addition, changing the network mode can also be done to save battery. To conserve battery life, when you do not need an internet connection, you can activate the 2G mode.

Here are the steps:

1 Open the settings menu> More ...

 

2 Select mobile networks



3 After that, select the network mode


4 In network mode, there are several options. You can choose one of several modes available. Select GSM only to smartphones / tablets can only capture a 2G signal. Or WCDMA for 3G signal capture only. If the smartphone / tablet supports 4G, LTE mode was found on this menu.