Touch Mobile data again to turn data services on. 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.ouch Data roaming again to turn it off. 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.