Answer ( 1 )

  1. Google-Fi is a phone carrier operated by Google. It gives you mobile data service from three mobile networks (T-Mobile, Sprint and U.S. Cellular), and helps your phone to switch between those networks intelligently — it also uses Wi-Fi to make calls and send texts whenever available. It’s all about simplified billing with no hidden fees or overages.

    Google-Fi works with a special SIM card — and a little software on your phone — that can authenticate and help you to switch between T-Mobile, Sprint and U.S. Cellular. On the Pixel 3, 3 XL, 2 and 2XL, an integrated eSIM lets you use Google-Fi without a physical SIM card — it also frees up your SIM slot to be used for another carrier’s network when you need it.

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