Microsoft Lumia 640 - Define internet connections

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Define internet connections

If your network service provider charges you on a pay-as-you-use basis, you may want to

change the Wi-Fi and mobile data settings to reduce your data costs. You can use different

settings for roaming and at home.

Important: Use encryption to increase the security of your Wi-Fi connection. Using

encryption reduces the risk of others accessing your data.

Using a Wi-Fi connection is generally faster and less expensive than using a mobile data

connection. If both Wi-Fi and mobile data connections are available, your phone uses the Wi-

Fi connection.
1. On the start screen, swipe down from the top of the screen, and tap .

2. Switch WiFi networking to On

.

3. Select the connection you want to use.
Use a mobile data connection

On the start screen, swipe down from the top of the screen, tap ALL SETTINGS > cellular

+SIM, and switch Data connection to on

.

Tip: Want to turn mobile data on and off easily? Add a shortcut to the action center. On

the start screen, swipe down from the top of the screen, and tap ALL SETTINGS >

notifications+actions. Tap one of the shortcuts, and tap cellular data.

Use a mobile data connection when roaming

On the start screen, swipe down from the top of the screen, tap ALL SETTINGS > cellular

+SIM, and switch Data roaming options to roam.
Connecting to the internet when roaming, especially when abroad, can raise data costs

substantially.
Data roaming means using your phone to receive data over networks that your network

service provider doesn't own or operate.

Tip: You can also follow your data usage with the Data Sense app.