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"Upgraded" Roaming Data Day Plan
Brings you 6 good reasons for ultimate peace of mind, so you can make the most out of your trip
SmarTone customers can activate “Upgraded” Roaming Data Day Plan through the below channels:
- ST apps
- SmarTone CARE
- 24-hour dedicated service hotline 2880 2688
- Visit any of our stores

If you haven't got ST apps on your smartphone, click here to install it now!