How to update Launch X431 VX431 V+ software

Launch X-431 V (X431 Pro)/X431 PRO3 V+ wifi/bluetooth full System Automotive Diagnostic scan tool is the completely substitutes X431 IV and X431 Diagun III. Both X431 V and X431 V plus support one-click update which makes your update job much easier. Here is the instruction on update the software

Detail instructions:

Step 1 Uninstall Launch X431 V+/Launch X431 V client

Two ways uninstall X431 V+ client

1) Click red box marked “1” above. Press on X431 V+ icon and push it up to the trash bin.

2) Click “Settings” >> select Manage Apps>> X431 V+ >>Uninstall


Step 2 Delete Files

This is X431 V client.

Find out “FileManager” in the Application

Click Memory Phone

Delete all files in this folder, press on the files and Delete icon will appear.

Step 3 Download Newest X431V / V+ Client

Browse Launch website

Click Category Product, select Launch V or V+.

Click “Download for Android” below X431 V image to start download client.


Downloading, please wait patiently, file about 19MB.

Double click X431_V.apk

Click “Installation Package” after complete download.


Click “Install”


Click “OK” when the system prompts to update

Click “Cancel”, because I haven’t login.

Step 4 Login

Login with your CC number and password


Read Claim, click “Read”

Select  Bluetooth Serial Number


Enter into function menu. Note: Customer Management is for users to add friends, mechanics and engineers etc to chat and fix technical problem.

Step 5 Download software

Click “Download”, this is old software version.

Select the vehicles you want to download. Note: the software downloaded from official site is the newest version


Click “following”

Click “Download”

After complete download, no vehicle software found, since its old version, exit the BDScar site, and login again to update.

Step 6: Update one car model software

Login, open X431 V, it prompts to update, click OK

Do not click Cancel, let it download program automatically, it will take less than 20minutes.

Click “Installation Package” after complete download.

Click “OK” to replace old application and the former information will be saved

Click “Install”

After complete download, the car models will display

Note: better not click “One Key Update” to update

Click “Association” to pair Bluetooth


Click “Reset”

Click “Yes” to activate Bluetooth

Step 7 Update more software

Back to the homepage, open X431 V client, the newest version will display.

On the “Updating” icon, it shows 72 makes available to update.


Select the car models and software version you want to update.

Check software

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