Google Fi adds automated dual-carrier switching to tackle mobile dead zones

Google Fi Wireless began rolling out a new super network feature on November 10, 2026, enabling compatible devices to switch automatically between two separate 5G networks to prevent dropouts and dead zones. The upgrade is included at no extra cost for existing Google Fi subscribers, including those on Flexible and Unlimited Premium plans, but requires a Google Pixel 9 or newer model at launch. The company advertises the access as using two top domestic 5G networks, though it has not formally disclosed the identity of its secondary carrier partner. [1][2][3][4][5]

The switching runs on Multiple Enabled Profiles eSIM technology, which lets a single physical chip host two active cellular connections without manual user switching. To function, devices must have Google Fi set up on an eSIM, and any non-Fi SIMs must be deactivated. Alongside cellular switching, Google is expanding Wi-Fi Auto-Connect Plus, which automatically links to encrypted public networks in locations such as malls and airports. That Wi-Fi feature also reaches Pixel 5a and newer handsets, select modern Motorola devices, and Samsung phones running One UI 9 or later. [1][2][4][5]

The update revives multi-network support, a defining perk of the original Project Fi in 2015 that lapsed after Sprint and U.S. Cellular dropped away. Google Fi confirmed the dual-network failover also operates in international travel destinations for Flexible and Unlimited Premium subscribers. To accompany the launch, the carrier introduced Ask Fi, an in-app AI troubleshooting assistant with human handoff capabilities. [1][2][3][4][5]