First perform hard reset by pressing power button and volume +
choose wipe data/factory reset
Open unlocktool select tecno spark 6 go (ke5)
turn off device
choose erase frp
hold volume up+ and down- plug usb cable
done
choose wipe data/factory reset
Open unlocktool select tecno spark 6 go (ke5)
turn off device
choose erase frp
hold volume up+ and down- plug usb cable
done