Microsoft Lumia 640 - Save on data roaming costs

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Save on data roaming costs

You can cut data roaming costs and save on your phone bills by changing mobile data settings.

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

service provider doesn't own or operate. Connecting to the internet when roaming, especially

when abroad, can raise data costs substantially. Your network service provider can charge you

a fixed fee for data transfer or on a pay-as-you-use basis. To use the optimal connection

method, change the WiFi, mobile data, and mail download settings.

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Using a WiFi connection is generally faster and less expensive than using a mobile data

connection. If both WiFi and mobile data connections are available, your phone uses the WiFi

connection.
On the start screen, swipe down from the top of the screen, and tap .
1. Make sure WiFi networking is switched to On

.

2. Select the connection you want to use.
Close a mobile data connection

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

+SIM, and switch Data connection to Off

.

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

Stop data roaming

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

+SIM, and switch Data roaming options to don't roam.
Download mail less frequently

In every mailbox you have, tap

> settings > sync settings, and select how often to sync.