Do you have any access to internet services without registering with your name?
Maybe at public transportation, in a mall... Please don't bring trouble to any small businesses.
Be prepared to find usual ports blocked and research on how to randomize your MAC address.
I have two firefox mobile browsers: beta and nightly. In Nightly this redirects to https://heise.de/ while in Beta, it opens google search: http://[2a02:2e0:3fe:1001:302::]
This might have something to do with different proxy settings on both.