Samsung Galaxy S21 5G User Manual page 131

Settings
Airplane mode
Airplane mode turns off all network connections including calling, texting, mobile
data, Wi-Fi, and Bluetooth. While Airplane mode is enabled, you can turn on Wi-Fi and
Bluetooth in Settings or from the Quick settings panel.
◌
From Settings, tap
this feature.
Mobile networks
Use Mobile networks to configure your device's ability to connect to mobile networks
and use mobile data. Options may vary by carrier.
◌
From Settings, tap
• Mobile data: Enable mobile data usage.
• International data roaming: Change voice, text and data roaming settings for
international roaming.
• Allow 2G service: Permit the use of 2G service in areas with limited cellular
coverage.
• Data roaming: Choose whether to allow your device to connect to mobile
data while traveling outside your carrier's network area.
• Data roaming access: Configure access to mobile networks while roaming.
• Roaming/Roaming state: Enable or disable data while roaming on other
mobile networks.
• Signal strength: View mobile signal strength.
• Enhanced Calling: Enable enhanced communication using LTE data.
• Network mode: You can select which network modes your mobile device
can use.
• System select: Change the CDMA roaming mode, if applicable for your
carrier.
• Access Point Names: Choose or add APNs, which have the network settings
your device needs to connect to your provider.
• Network operators: Choose available and preferred networks.
Connections > Airplane mode, and then tap
Connections > Mobile networks.
131
to enable