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Huawei Huawei P9 Software Installing software updates
* Use the synchronisation software on your computer to install the latest updates for your Huawei P9.
* Connect your Huawei P9 to a computer with a USB cable and continue with the following steps.
* *Note:* It is not possible to revert to an older version of your device's software once you have completed an update.
* Go to the Start screen.
* Scroll to the right.
* Choose *Settings*.
* Scroll down.
* Choose *Update*.
* If this screen appears, choose *Allow*.
* If this screen does not appear, go to the next step.
* Choose *Check for updates*.
* The Huawei P9 is now searching for available updates.
* If this screen appears, the Huawei P9 already has the latest software version.
* If this screen does not appear, an update is available. To install the software update, follow the on-screen instructions.
* Return to the Start screen.
* The Huawei P9 now has the latest software update.