While messing around I found a fix for hdmi and sound, this is not permanent.
First things first
Micro Hdmi to hdmi required, also 3.5mm aux cable(for use with tv, sound system, ect) or headphones
1: install mx player
I haven't been successfull, I've spent many hours and my next step will be to contact service providers and talk with them to get release keys for the bootloader for engineering purposes
Okay let me confirm I can send a flashable zip over adb give me about 30 kminutes
Bootloader unlock method via official Samsung galaxy app CROM Service 1.06 July 31, 2017 release
I installed and it gave me a prompt to unlock this app can also be found in galaxy app store. Once done it claimed device was unlocked an you can't ru...
Installing apps on the SD is up to manufacture to include/ exclude from android system, if I'm not mistaken most huawei devices don't have this feature because the devs won't allow this feature