Launch X431 V(X431 Pro) Wifi/Bluetooth Diagnostic Tool

How to set as airplane mode on launch x431 V ?
According to the regulations of some countries or areas, PC device must be
turned off before boarding on the airplane.
The way to disable functions of X-431 V is to set it as airplane mode. In this
mode, all wireless radio waves will be disabled, including mobile network,
Bluetooth and WLAN.
Do one of the followings to enable or disable airplane mode:
Press POWER key and choose “Airplane mode” from the pop-up option menu.
Access the main menu, and choose “Settings” > “WLAN” > “More…” >
“Airplane mode”.

How to set language in launch x431 V diagnostic tool ?  
1. Enter the main menu screen, click “Settings” > “Language & input”.
2. Click “Language” and choose the desired language, the system interface
will switch to the target language.
3. To configure keyboard and input method, check the box before the desired
input method.