How to turn data roaming and data services on/off on my HTC Desire 510

Click each step to see the action. You can also click the picture or use the arrow keys.

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When abroad, data roaming is required to use email, web browsing and other data services. Please note that data roaming charges will apply.

To avoid unwanted roaming charges, you can turn off data roaming. You can also turn off data services altogether. This way, your HTC Desire 510 will only transmit data over Wi-Fi.
1. Touch Apps.
2. Scroll to and touch Settings.
3. Touch Mobile data.
4. Touch Data roaming to change the setting (e.g., from off to on).
5. Read the warning and touch OK.
6. Data roaming is now on.
Touch Data roaming again to turn it off.
7. To switch data off completely, touch Back.
8. Touch the tab next to Mobile data.
9. Data services are now off.
Touch the Mobile data tab again to turn data services on.