Can anybody help me to overlock boot.img

Dears ,,,
i have huawei mediapad m1 s8-301uv
its quad core but it runs only one core and it is very slow
i want to overclock it
i unpacked boot.img file and i want help to overclock it
boot.img is in the attachment
thanks

Attached Files

BOOT.img - [Click for QR Code] (6.39 MB)