For Android, you can get our beta app by joining our public Android Insiders group. For iOS, you'll first need to install TestFlight on your iOS device. You can find it here or in the App Store. Once TestFlight is installed, you can join from your device. You'll then be able to download and install our beta app via TestFlight.

You see the following error code and message when you launch a game or an app on your Xbox console: 0x803f8001

Alpha Skip-Ahead Ring (2604.260218-2200) Hey Xbox Insiders! We are releasing a new Xbox Update Preview to the Alpha Skip-Ahead ring today. Continue reading below to learn all about what's included with this update.

Beta Ring (2509.250825-2200) Hey Xbox Insiders! We are releasing a new Xbox Update Preview to the Beta ring today. Continue reading below to learn all about what's included with this update.

Alpha Ring (2506.250612-1215) Hey Xbox Insiders! We are releasing a new Xbox Update Preview to the Alpha ring today. Continue reading below to learn all about what's included with this update.

This cumulative update for Windows 11, version 25H2 and 24H2 (KB5077181), includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release. To learn more about differences between security updates, optional non-security preview updates, out-of-band (OOB) updates, and continuous innovation, see Windows monthly updates explained ...

If you see error 0x8027025a, close the app and restart. Find more solutions here.

若是 iOS，您必須先在 iOS 裝置上安裝 TestFlight。 您可以在 這裡 或在 App Store 中找到它。 安裝 TestFlight 之後，您就可以 從您的裝置加入。 然後，您就可以透過 TestFlight 下載並安裝我們的 Beta 應用程式。

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