Once your bootloader is verified as "Unlocked", your next step is to replace the stock recovery with a custom one like TWRP or OrangeFox.
(DRA-LX9 / Mediatek MT6762R), this is the primary hurdle. Without an unlocked bootloader, you cannot flash a custom recovery like or OrangeFox , which are required for custom ROMs. Custom Recovery Options huawei y5p custom rom