Last year, we spotted Google working to bring a mobile data toggle to Quick Share. In February, Google formally announced the feature as part of a Play Services update.

With mobile data support in Quick Share, you can "continue sharing if your device can't connect over Wi-Fi." Using mobile data for file transfers can lead to extra charges being applicable ...

Google first announced how “you can continue your Quick Share transfers over Wi-Fi or mobile data even if the sender or receiver loses direct connection” in the February 2025 system release notes.