Connect to partner networks of
T-Mobile and access data services when you’re out of
T-Mobile coverage areas.
Warning: Using data services while roaming will be costly. Check with
T-Mobile for data roaming rates before you use data roaming.
Slide the Notifications panel open, and then tap .
Mobile data, and then select or clear the
Data roaming option.
Data roaming sound option if you’d like
HTC One S to play a sound so you’ll know when it’s connecting to a roaming network.