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Known Issue: Slow Wi-Fi performance with Android and Chromecast built-in devices

We’re aware of an issue where Chromecast built-in devices may be affecting Wi-Fi network performance.

Summary of Issue

In certain situations, a bug in the Cast software on Android phones may incorrectly send a large amount of network traffic which can slow down or temporarily impact Wi-Fi networks. The specific impact to the network will vary depending on the router.

Who is impacted?

People with an Android phone and a Chromecast built-in device (such as a Chromecast or Google Home device) on the same Wi-Fi network may experience this issue.

Solution and next steps

The team has identified the issue and is actively releasing a fix, which will start rolling out via a Google Play services update this Thursday, January 18.

ln the meantime, try rebooting your Android phone, and check that your Wi-Fi router is running the most recent firmware version.

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