The P9 was released with Android Marshmallow out of the box, and has since been provided many little software updates to eliminate bugs and add some new features, and this proves that the company is keen to provide quality assurance even after an year has passed with the device being released. Well, very recently, Huawei also made the Beta version of Android Nougat available to the Huawei P9, and users are happier than ever. Huawei P9 B394 Nougat Update This update rolls out in phase wise manner through OTA. You can manually check whether the update is available in your region or not. To check Go to Settings > About Phone Section > Software Update.If the Update is not yet available on your device then you have to wait for few more days for the update to come or you can follow this detailed guide to Download and Install the firmware to Update European Huawei P9 To B394 Android 8.0 Nougat Manually This is an official update, meaning you won’t need to worry about any void warranty stickers. If you would like to learn how to Download and Install Huawei P9 B394 Nougat Update, then look no further.
Disclaimer
Steps To Install Huawei P9 B394 Nougat Update
update.zip update_full_EVA-L09_hw_eu.zip update_data_full_public.zip
Your Huawei P9 bootloader must be unlocked Custom Recovery like TWRP or CWM must be installed on your Huawei P9 Plus.
Now boot your device into Custom recovery
Now in the custom recovery, you will see couples of options. You have to flash the update.zip file which you have downloaded from the download section. Now flash update_full_EVA-L09_hw_eu.zip and update_data_full_public.zip files.
Reboot your device now. Done!
If you have any queries regarding this then feel free to ask in the comment section.