Going or calling abroad How to make sure your phone works when you're outside the UK. Roaming fair use terms and call rates to the EU If you are roaming in the EU or calling the EU from the UK, here's some information to be aware of. Changes to roaming charges and international rates Discover what’s changing for Switzerland, the Channel Islands and the Isle of Man. Roaming and international How to travel and call or text abroad with SMARTY. Roaming in VoLTE destinations Find out why VoLTE roaming might be important for you. Using your phone abroad or making overseas calls Discover your international options with your SMARTY plan. Calling voicemail while you’re roaming internationally Calling voicemail while you’re roaming internationally. Setting up your phone to work abroad Updating your settings so SMARTY works abroad. Setting up your iOS device to work abroad Getting your iPhone or iPad ready to travel. Setting up your Android device to work abroad For Samsung, Huawei, Sony & other Android devices. Setting up your Windows phone to work abroad Getting your Windows phone ready to work overseas. About your roaming data limit Helping you control the cost of using your phone abroad. Published 05-12-2022View ContributorsVersion 1.0