How to enable/disable roaming Remember to enable roaming when travelling abroad, and to disable it when you return to your home country.
Go to Settings > Phone > SIM Application
Go to SIM Tool Kit/Vectone Services icon
To enable roaming, select Manual > Overseas.
To disable roaming, select In Austria.
(You may need to confirm these selections)
The service will appear within 20-40 seconds. Once you have received the signal, you are ready to roam!