AI & Tech

Google Fi adds support for a second 5G network, won't say which one

For the past few years, Google Fi has operated exclusively on the T-Mobile network, but now it's adding support for a second 5G network.

✦ Extractive summary — built from the sources' own reporting•From 1 source•1 min read•Updated November 10, 2026, 7:35 PM UTC
Key points
  • Google's blog post announcing the change conspicuously doesn't mention either network, saying only that it supports "two of America’s best 5G cellular networks." Read full article Comments.
  • Google has announced a " super network " upgrade for its Fi cell service.
  • After T-Mobile absorbed Sprint, Fi switched to being a single-network service in the US while continuing to hop between networks for international travel.

Google's MVNO (mobile virtual network operator) launched in 2015 as Project Fi with support for both T-Mobile and Sprint service.

With the super network, Google Fi is again a dual-carrier service stateside.

Additional details
  • Phones connected to Fi will be able to hop between T-Mobile 5G and a different 5G network to provide the best possible connectivity.
  • The service initially only worked on Google's Nexus phones, which would switch between networks based on signal strength.

How this summary was made: extractive summary — built from the sources' own reporting. It is drawn only from the reporting of the sources listed below — read the originals for full detail. How we summarize →

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