Help Huawei mate 10 pro BLA-L29

[Waveleong]

Hi all friends
Someone can help?

This is mate 10 pro
BLA-L29
is a demo unit

Can't remove demo retail
I need flash this phone to version 9.0 pie
Try 8.0.0.156 also cant flash
But i try some more also can't

Maybe i first time using mrt key dongle
Unlock bootloader also done already...
But i try to fastboot also write down phone still locked...

Can someone teach me... Please

 

[kikas112]

Use hcu or any other tool for change region from demo to country ex eu update and enjoy

 

[ahmad0x9]

Unbrike Mate 10 pro
Fix imei
Raiper imei last security
Remove frp
FIX DEMO
DOWNLODE
Firmware from HALABTECH
Huawei Mate 10 Pro BLA-XXX (Repair IMEI + Unlock + Demo Remove + Gloabl) File By (Support.HalabTech.Com).exe | Halab Tech Support
First open phone and test point
Open IDTMAL01VER1001
https://androidhost.ru/2BRe
Select file yahya najjar
And flash file
After finish fleshing
Open hcu
And raiper imei and country and model
After raiper will format phone
After flash last version by any box