You could shut off Data and jsut use the phone for call and texting.
From the Home screen of the BlackBerry smartphone, click Options.
Scroll to select Mobile Network option.
Change the While Roaming option from On to Off.
Choose Off for Data Services when roaming.
Press the Menu key and click Close after making the changes.
If someone helps, tell them by clicking the Thanks button.!! î
Z10 on BES