@[usunięty]
1) First, you need tounlock thebootloader of Huawei Mate 8anddownload and install a custom recovery. If you already had an unlocked bootloader and custom recovery installed on your device then skip this step.
2)Download Huawei Mate 8 B582 Nougat files from above and save it on your device.
3) NowBoot your deviceintoTWRPRecovery mode.
5)In TWRP first flash theupdate.zipfile and once done without rebooting your device moves to the next step.
6) Now flash the update_full_NXT-Lxx_hw_eu.zip and update_data_full_public.zip files.
7) wait until the process finishes.
8) Done! Reboot your device and enjoy.
Wszystko z podanej wyżej przez @gianni_zambrottastrony. 😉