i have a unlocked nexus 5 and i am traveling to paris, what are my options?

[AC Question]

Visiting Paris for 5-6 days in may and want the most hassle free Sim provider for talk/data

 

[Rukbat]

The only carrier your phone isn't totally compatible with (I assume it's a North American phone) is Bouygues (which uses 800/1900/2600 for LTE). The others use 800/2600 for LTE, which your phone has. (You don't have 1900, which may or may not cause a problem with Bouygues.)