Although most owners do not need to change mobile networks settings on Galaxy S20, it is crucial to understand the options for the mobile networks so that you can solve some mobile network related issues when it happens suddenly.
This Galaxy S20 guide explains the mobile networks settings on Galaxy S20, shows you when and how to use them, and illustrates how to check the mobile network status and SIM card status on Galaxy S20.
Most of the mobile networks settings on all three Galaxy S20 models are almost identical. So, this guide applies to all Galaxy S20 phones (Galaxy S20, Galaxy S20+, and Galaxy S20 Ultra).
When do you need to change the mobile networks settings on Galaxy S20?
The default mobile networks settings on Galaxy S20 are usually sufficient for most owners. They may never touch the mobile network settings at all.
But from time to time, due to some carrier’s configurations, or some software glitches, you may have to change or check the mobile networks settings on Galaxy S20.
Here are a few example scenarios when you need to head to the mobile networks settings on Galaxy S20
#1. Enable/disable data roaming
Data roaming can be costly if you do not have a particular roaming plan with your carrier.
By default, data roaming is disabled. But once you enabled, it will be on until you disable it. When your phone is roaming, you should see the roaming icon (R added to the signal strength), as explained in here.
#2. Add or edit APN settings
APN (Access Point Name) is essential for mobile data connections. In addition to internet access, MMS also replies on correct APN settings.
If you need to edit or add APN settings, you need to access Galaxy S20 mobile networks settings. Read on.
#3. Select a network operator (especially when roaming)
If your SIM card can use more than one mobile network, you can manually choose one. This also has to be done under mobile networks settings on Galaxy S20.
When your Galaxy S20 is roaming, your carrier may have multiple local roaming partners. Some may offer better coverage. Some may offer a better connection. Some may offer a lower roaming price.
Understand mobile networks settings on Galaxy S20
You can access Galaxy S20 mobile networks settings from Galaxy S20 Settings.