Apparently the word unlimited now means 22GB. [1] Also no international tethering. [2] Then you need to also account for the fact that if anything happens with your Google account (say an AdSense terms violation) you will also lose your phone service. All of that for a whopping $70/month. Seems pretty crazy to me.

I'm currently paying 17€/month for unlimited calling, texts & data. Not sure what the actual data cap on my unlimited plan is, but I haven't reached it yet. For example I've used about 160GB with iOS tethering during the last week alone and everything still works fine, currently at 85Mbps down / 65Mbps up from where I'm standing. I can stream 4K no problems and I do.

Now my current plan has only 10GB EU-wide data and no non-EU data. However my operator (Tele2) does offer a 50€/month package for EU-wide unlimited all. No international unlimited all package from them yet though.

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[1] From the article: we will reduce speeds after 22GB of usage per person in a given month

[2] international tethering not supported on iOS https://fi.google.com/compatibility