[Q] How to root unrootable Vodafone Smart Tab 3G topic

I own a Vodafone Smart Tab 3G manufactured in South Africa by Vodacom and I am running stock firmware 3.4.67 and Android 4.4.2, unrooted and bootloader locked. I have tried to root it using all methods but none works. I have tried eroot, Framaroot, Towelroot, Kingoroot, OneClickRoot and many more. It seems my device is unsupported and unrootable, how can i successfully root it?:confused::confused::(