Google Fi 5G network switching returns
Google Fi Wireless is rolling out a “super network” feature that allows Pixel 9 and newer devices to automatically switch between two 5G cellular networks to maintain a stable connection, CNET reported.
The update aims to minimize service interruptions in areas with spotty coverage or high network congestion.
This capability relies on Multiple Enabled Profiles (MEP) eSIM technology. According to Tom’s Guide, this allows a single physical eSIM to maintain active links to two separate cellular networks simultaneously. If a primary signal drops or degrades, the device switches to the secondary network to prevent data gaps.
Historical context of network switching
Google previously offered multi-network support at the inception of Project Fi in 2015, according to Tom’s Guide. The carrier discontinued this feature in 2023 after U.S. Cellular was removed as an official network partner.
Google has not disclosed the specific identities of the two networks involved in the new feature. The company describes them only as “two of America’s fastest 5G networks,” though T-Mobile has historically served as the primary host for the service.
Wi-Fi Auto Connect+ expansion
Google is also expanding its Wi-Fi Auto Connect+ feature, which automatically links devices to encrypted public Wi-Fi networks in high-traffic areas like airports and shopping malls. While initially limited to Pixel devices, the feature is now rolling out to select Motorola phones and Samsung devices running One UI 9 or later, as reported by Android Authority.
The system is designed to identify high-quality Wi-Fi signals and establish a secure, encrypted connection without requiring manual logins or portal verifications. This serves as a secondary layer of connectivity alongside the dual-network 5G switching.
International and plan availability
The network switching and Wi-Fi features are included at no additional cost across all Google Fi plans, including Flexible, Unlimited Essentials, Unlimited Standard, and Unlimited Premium. For international travelers, both features are supported on the Unlimited Premium and Flexible plans.
A technical caveat remains for users who manage multiple carriers on one device. A fine-print disclaimer notes that any other active eSIMs must be disabled for the super network to function, as the device utilizes two eSIM slots to manage the dual-network profiles.
Commonly asked questions
Does the phone use two physical SIM cards to enable this feature?
No. The system uses Multiple Enabled Profiles (MEP) technology to manage two network profiles on a single eSIM chip, making it appear as one eSIM to the user.
Which specific 5G networks is Google using for this feature?
Google has not publicly identified the two networks. The company refers to them only as two of the fastest 5G networks in the United States.
What happens if I have another carrier’s eSIM active on my phone?
The super network requires that any additional eSIMs on your device be disabled for the automatic switching to function correctly.
Is there an AI component to the new Fi updates?
Yes. Google introduced an AI-powered support agent called Ask Fi, which is integrated directly into the Google Fi app to assist with account questions and connectivity troubleshooting.