In the main menu interface, select "SelfTest" to enter the self-test test; <br>1. Click "native" in the lower right corner of the interface to enter the device version interface:
Select self-test application (SelfTest) in the main menu interface to enter the self-test;<br>1, click on the bottom right corner of the interface "native", into the device version interface:
Select "self test" in the main menu interface to enter the self test;<br>1. Click "native" in the lower right corner of the interface to enter the device version interface<br>