Q1: How to save power?
Just to save power of your daily used mobile phone,we can do as the following.
----Please turn off the screen while X-431 PRO3 keeps idle.
----Set a shorter standby time.
----Decrease the brightness of the screen.
----If WLAN connection is not required, please turn it off.
----Disable GPS function if GPS service is not in use

Q2: What should I do in case I forget the screen lock?

A:You can set screen lock as pattern or password. If you forget the password, please consult your device provider to reset your device.
Warning: Resetting may cause data loss. Before using, please make sure the important datas have been backed up.

Q3. How to do if the system runs too slowly?
> Check all running applications and stop the unnecessary applications (Steps: Settings > Apps > Running > Tap the desired application and then tap “Stop”).
> Check all installed applications, remove the unnecessary applications (Steps: Settings > Apps > Downloaded > Tap the desired application and then tap “Uninstall”).
If all steps mentioned above are finished but the system still works slowly,please try to shutdown the system and reboot your X-431 PRO3.

Q4. How to handle when you encounter “Insufficient storage space”?
If this happens while downloading the diagnostic software, please proceed as followings.
----Get your X-431 PRO username and password ready. If you forgot the password, please dial X431 hotline to retrieve it with the product serial number starting with 98519*******.
----Reset the X-431 PRO3 to the default factory settings (For details, please refer to Item 5 in this Chapter).
---- Tap “Settings”-->“WLAN”, choose the desired WLAN network to connect.
----Open the browser and visit www.dbscar.com to download and install the latest App.
----After the installation is completed, launch the application and login with your username and password.
----Tap --> “Update” to download the diagnostic software.

Note: For new App, the software structure and storage space occupied by the vehicle softwares have been optimized so as to avoid the occurrence of insufficient storage.

Q5. How to reset X-431 PRO3?
Resetting may cause data loss. Before resetting, please make sure the important datas and information have been backed up.
Do the following to reset X-431 PRO3:
Tap “Settings”-->“Back & Reset”;
Tap “Factory data reset”;
Tap “Reset tablet”;
Tap “Clear all data” to start resetting until the tool automatically reboots.

Q6. Why some videos on the website can be not played?
It possibly results from:
----The current browser does not support Flash playing;
----Flash player does not support this video.
----Try to use other browsers to watch it or install other Flash player.

Q7. The data and time of X-431 PRO3 can not be set.
It is because Automatic date & time is set on your X-431 PRO3. Tap Settings > Date & time, deselect “Automatic date & time” and then set the date and time manually.