If there is a good signal, a 4G connection can provide superior speed compared to 3G.Some users might want to switch to a 3G connection on their devices for this reason.The device will always connect to a 3G network if you set your preferred network mode to 3g.
Step 1: Go to the settings.
If you want to launch the settings app from the notification panel, you have to tap the "Settings" button at the upper right corner of the panel.If the settings app is on your home screen, you can tap it.If you don't have an app, you can tap on Applications and the Settings app icon from your app drawer.
Step 2: Go to the mobile networks.
You can tap on Mobile Networks under Wireless and Networks.The configuration screen for using the internet through a carrier should be brought up by this.
Step 3: You can use the preferred network type.
There are options for the type of connections your device will always use.
Step 4: You can switch to 3G.
If you tap on the option, your device will use 3G instead of 4G.