This the right page for your answer,
You may be having difficulties formatting your phone just because you don,t know the route to where the configuration button is;
or just because your uncle, mother, sister, or any one that is related to you arranged an unknown to you code;
So for that reason , you have to find this solution am going to suggest for you, to enable you unlock and access your phone;
So this is how it goes:- (1)CAUTION:use this method if you can access your phone and would like to format it-"(a)go to the settings of your phone
Then navigate to system option, then click and select reset option in the next page; after that you press the "Factory reset page to totally reset your tecno or any other android phone.
(2)Caution:-then if you are not accessing your phone, use this method-(b)Simultaneously press the up volume button and power button till the phone's logo appear,
Then release the power key and you will see many options; then you select to factory reset; that's how it works.