1 -> Turn on the device and activate TalkBack
2 -> Then hold the Shut down button and click on Restart (and restart)
3 -> When you are calling, and the logo appears, pass the 2 fingers down quickly
4 -> Try to go down the notification bar with the 2 FINGERS (2 FINGERS)
5 -> Once it appears, it will display 1 gear and you click it and you’re done !!
Code is here: