While traveling to remote places you would probably appreciate easy and continuous network connectivity at reasonable cost, also outside of your hotel

 

You probably would prefer to use your own mobile phone, contact lists and memory cards and avoid the hassle of using prepaid sim-cards, even if you have a dual-sim phone

 

Wandering from one bar or cafe to another in search of a free wifi network and logging in with their cryptic passwords gets tiring after a while

 

Roaming charges in Europe are expensive for foreigners, especially for those coming from outside EU

 

As an EU traveler you may have lower roaming charges but you may still have a cap on data usage and/or charges per MB used