How To Root All TECNO Phones And Change The Font Without Any PC

Tools you will need :

Framaroot (Which can be downloaded via playstore and your TECNO phone)
iFont (can also be downloaded on playstore) 

TO ROOT YOUR PHONE. 
Download Framaroot on Google playstore if you have Internet, if you don't, tell a friend to help you out, then send it via bluetooth, flashshare/xender. 
Install the Framaroot App. 
Open the App, you will see a simple plain App, don't expect an awesome UI. 
Click on the drop-down list.
Click on Install SuperSU, please not the "Install Superuser" you will see something like "SuperSU binary success, reboot device".
Click on OK and reboot the device yourself. 
You will notice that an app have been installed in your phone named "SuperSU".
This is a success. 



TO CHANGE YOUR PHONES FONT

Download iFont on Google playstore, same as Framaroot. 
Install iFont
Open the App, this one has a nice UI, download some fonts or the once you liked on the App via Internet. You are allowed three fonts per day, you will need the pro version to go unlimited.
Select one of the font you downloaded and use it, you can preview and check the font. 
Click on Set and Ok to roboot. 
It will ask you to Grant access just say yes for any duration. 
SuperSU will grant iFont an interactive shell allowing it to change the font of your phone. 
Remember to back up the current phone font incase you change your mind and decide to go back to your default font, if you forget, don't worry iFont will back it up for you.

When your phone reboot it will take some time. Like 2 minutes, don't be afraid it's undergoing the process of changing your font. 
YOU HAVE SUCCESSFULLY CHANGES YOUR PHONES FONT

To revert to the old font simple go back to iFont and go to reset Default Font. 

Thanks