Google Home Speaker users report huge data consumption

Google Home Speaker owners are reporting unusually large background data usage, including one account that recorded more than 140GB in a day and another that reported three speakers consuming 6TB in under a month.¹ The reports concern Google's new smart speaker, which launched with Gemini for Home and is designed to remain connected for voice control and other smart-home features.²

What is happening

The reports were gathered by Android Central from posts on the Google Home subreddit. The affected owners said their speakers were not being used heavily: one reported less than 20 minutes of daily use, despite the device downloading tens or hundreds of gigabytes. Another user said the problem appeared to affect the newer Google Home Speaker, while a Nest Audio in the same household did not show the same behaviour.¹

The figures are reports from individual users rather than a published Google measurement, so they should not be treated as proof that every Google Home Speaker is affected. They do, however, point to a potentially serious firmware or update loop. One reported explanation from a user was that the speaker repeatedly downloaded firmware and failed to install it, although that cause has not been confirmed by Google.¹

Google says a fix is rolling out

Android Central says Google acknowledged the issue and told the publication that a fix was already rolling out. The company has not publicly explained what caused the abnormal downloads, how many devices are affected or whether users need to take a specific action beyond applying updates.¹

Google's own product announcement describes the Home Speaker as its first audio device built for Gemini for Home, with natural-language control, multi-step requests, conversational context and a microphone mute switch.² Those connected features make reliable background updates important, but the product page does not confirm the reported data-consumption problem.

Until Google's fix reaches affected devices, owners should check their router's data-usage dashboard and contact Google support if a speaker is consuming unexplained traffic. Anyone with a capped broadband plan may also want to temporarily review automatic-update or network settings rather than assuming the device is simply streaming audio.

Our opinion

A smart speaker quietly using 140GB in a day is not a minor software quirk: it can create real costs for households with data caps and makes it harder to trust an always-connected device. The encouraging part is that Google appears to have acknowledged the problem and started a fix, but a rollout without a cause, impact estimate or clear user guidance leaves owners guessing. Google should publish a short status note explaining what failed, which models and firmware versions are affected, and how users can confirm that their speaker has stopped repeating the download. Until then, the sensible response is to monitor usage rather than panic, because the current evidence is alarming but still based on user reports rather than a full technical investigation.