Can't update firmware

[lindokuhlembeje18]

I have a Huawei P8 lite running android 5.0.1 and I want to update the os to 6.0 but when I check for updates it says update not available and the phone Info app says firmware update forbidden. Any advice? Thank you

 

[KBU2]

I have a Huawei P8 lite running android 5.0.1 and I want to update the os to 6.0 but when I check for updates it says update not available and the phone Info app says firmware update forbidden. Any advice? Thank you

Try this method:
http://www.android.gs/update-huawei-p8-b317-with-official-android-6-0-marshmallow-os/