how to use:
The first step x8 Speeder Guide, you can first check your internet connection. If your internet connection is stable, you can immediately download the X8 Speeder android.

Furthermore, if you have downloaded the X8 Speeder, you can immediately proceed to your phone's settings menu.
Select Security in your phone's settings menu.
If you have selected Security, you can continue to select unknown sources then press OK.
Done.