Samsung J1 SM-J120F - Manual (Page 67)

Settings
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3 Tap CONNECT.
Once the device connects to a Wi-Fi network, the device will reconnect to that
network each time it is available without requiring a password. To prevent the device
connecting to the network automatically, select it from the list of networks and tap
FORGET.
Wi-Fi Direct
Wi-Fi Direct connects devices directly via a Wi-Fi network without requiring an access point.
1 On the Settings screen, tap Wi-Fi, and then tap the switch to activate it.
2 Tap Wi-Fi Direct.
The detected devices are listed.
If the device you want to connect to is not in the list, request that the device turns on its
Wi-Fi Direct feature.
3 Select a device to connect to.
The devices will be connected when the other device accepts the Wi-Fi Direct connection
request.
Sending and receiving data
You can share data, such as contacts or media files, with other devices. The following actions
are an example of sending an image to another device.
1 Tap Gallery on the Apps screen.
2 Select an image.
3 Tap Share → Wi-Fi Direct, select a device to transfer the image to, and then tap SHARE.
4 Accept the Wi-Fi Direct connection request on the other device.
If the devices are already connected, the image will be sent to the other device without
the connection request procedure.