How can I use the internet abroad?
To use the Internet abroad you need to make sure that data transfer in roaming option is active on your phone.
Cost of Internet connection depends on the area you want to connect from. You can see the details Here in table 13.
Remember that using your internet at full speed in Euro Zone is possible only with data package in EU roaming. You can activate the package in your Viking account in section "My cards" > "Services". If you didn't activate the package, your transfer will be limited to 32 kbps and will cost 0,25zł/MB.