Hello border, I an envious when hearing of your trip to Canada! There is not an option on the LG Revere to deactivate data only. You can activate Airplane Mode that will disable all wireless connections but enable you to have access to your phone book, calender and games. From the main screen press OK to access your Menu, choose Settings and Tools>Phone Settings>Airplane Mode>Turn On. If you would like to review your roaming options please visit http://www.vzw.com/international for more details. Please let me know if you have any additional concerns.
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