User Guide

Step5.Open the setting of your phone,
and then click “About Phone”
Step7
Back to the menu of step 5,click
"System&Updates",then click
“Developer options”.
(Because there are different
operation systems from Android
phones,so maybe will have different
steps on open "Developer
options",but you actually can find it if
you have done it correctly on step 6.)
Step6.Continuous click on the item of "Build
number" over 7 times,enter lock screen password.