WIKO Highway 4G - How to Hard Reset my phone
At first turn off the phone by holding the Power key for a short while.
In this step hold down for a couple of seconds three buttons: Volume Up + Volume Down + Power.
You can release held keys when you see a menu with two options.
Press Volume Up to enter Android System Recover.
Select the "Wipe data / Factory reset" by using the Volume buttons and press the MENU key for confirmation.
To restart the phone, select "reboot system now".
Success! The hard reset is done!