solved Huawei Y8p [Huawei Id] done

[drox-Ph-Ceb]

kung may password just hard reset

select Kirin 710f
connect testpoint and insert usb

Make sure driver usb 1.0 is installed

Select USB 1.0 unlock fastboot
in fastboot state
select Backup OEM (for security reason)
after backup
select Change OEM Info
done!