Connections

Wi-Fi

Activate the Wi-Fi feature to connect Galaxy S4 to a Wi-Fi network and access the Internet or other network devices.

To use options, tap Wi-Fi → .

Tap Wi-Fi → → Advanced → Keep Wi-Fi on during sleep.

When the screen is turned off, the device automatically turns off Wi-Fi connections. When this happens, the device automatically accesses data networks if it is set to use them. This may incur data transfer fees. To avoid data-usage bills, set this option to Always.

The device can detect open Wi-Fi networks and display an icon on the status bar to notify when available.

Tap Wi-Fi → → Advanced and tick Network notification to activate this feature.

Wi-Fi Direct connects two devices directly via a Wi-Fi network without requiring an access point.

Tap Wi-Fi → Wi-Fi Direct.

Activate the Bluetooth feature to exchange information over short distances. To use more options, tap .

Keep track of your data usage amount, and customise the settings for the limitation.

To use more options, tap .

Data roaming: Set the device to use data connections when you are roaming.
Restrict background data: Set the device to disable sync in the background while using a mobile network.
Auto sync data: Set the device to sync contact, calendar, email, bookmark, and social network image data automatically.
Show Wi-Fi usage: Set the device to show your data usage via Wi-Fi.
Mobile hotspots: Select Wi-Fi hotspots to prevent applications that are running in the background from using them.

Customise settings to control networks.

This disables all wireless functions on your device. You can use only non-network services.

Mobile data: Use to allow packet switching data networks for network services.
Data roaming: Use the device to connect to another network when you are roaming or your home network is not available.
Access Point Names: Set up access point names (APNs).
Network mode: Select a network type.
Network operators: Search for available networks and select a network for roaming.

Portable Wi-Fi hotspot: Use the portable Wi-Fi hotspot to share the device’s mobile network connection with computers or other devices through the Wi-Fi network.
USB tethering: Use USB tethering to share the device’s mobile network connection with a computer via USB. When connected to a computer, the device is used as a wireless modem for the computer.
Bluetooth tethering: Use the Bluetooth tethering to share the device’s mobile network connection with computers via Bluetooth.
Help: Learn more about USB, Wi-Fi, and Bluetooth tethering.

Set up and connect to virtual private networks (VPNs).

NFC: Activate the NFC feature to read or write NFC tags that contain information.
Android Beam: Turn on the Android Beam feature to send data, such as webpages and contacts, to NFC-enabled devices.
NFC payment: Set the default payment method.

Activate the S Beam feature to send data, such as videos, images, and documents, to devices that support NFC and Wi-Fi Direct.

File sharing: Activate media sharing to allow other DLNA-enabled devices to access media files on your device.
Shared contents: Set the device to share your content with other devices.
Allowed devices list: View the list of devices that can access your device.
Not-allowed devices list: View the list of devices that are blocked from accessing your device.
Download to: Select a memory location for saving media files.
Upload from other devices: Set the device to accept uploads from other devices.

Activate the screen mirroring feature and share your display with others.

Connect the device to Samsung Kies via a Wi-Fi network.