Huawei Y9 Prime STK-L21M Firmware Flash File

How To Install ROM Huawei Y9 Prime STK-L21M

First, you need to download and extract the Huawei Y9 Prime STK-L21M stock firmware package on Computer.
After extracting the zip package, you will get the Firmware File, Flash Tools, Drivers, and How-to Flash Guide.
In the first step, you need to install the provided USB Driver on your PC, and if in case USB Driver is already installed, skip this step).
Follow the How-to Flash Manual Guide to flash the firmware on your Huawei Y9 Prime STK-L21M android device.