My carrier here in Brazil provide some WiFi hotspots for theirs customers as a way to avoid them to worry about the data plan.

You don't need a password you just need you phone has compatibility (perhaps through an app) to do the authentication via EAP SIM.

Does Windows Phone support it? If so, in witch version?

More info about this service for other phone O.S. in my carrier here.


The EAP info is kind of scarce. Some Nokia devices claim to support this starting with WP 8 like the 920 - spec but in general it is said that all devices updated to WP 8.1 will now support it. You can get the free developer preview for your phone now from here

EAP method:SIM

  • I can confirm that my Lumia 920 didn't work with EAP-SIM when it had Windows Phone 8.0. Apr 25 '14 at 1:08
  • But now with Windows Phone 8.1 it just works. Apr 25 '14 at 9:52

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