Note: If you don’t need to use Wi-Fi for a while, you can turn it off to conserve battery life.

 
X-431 Diagun IV has built-in Wi-Fi that can be used to get online. Once you’re online, you can register your X-431 Diagun IV, surf the Internet, get apps, send email, launch the remote diagnosis, and check for software updates etc.
 
Connect to a Wi-Fi network
1. On the home screen, tap Settings -> WLAN.
2. Slide the Wi-Fi switch to ON, X-431 Diagun IV will start searching for available wireless networks.
3. Select a wireless network, y If the chosen network is open, X-431 Diagun IV will connect automatically; y If the selected network is encrypted, a network password will need to be entered.
4. When “Connected” appears, it indicates the Wi-Fi connection is complete.
Note: When Wi-Fi is not required, this should be disabled to conserve battery power. Once it is connected successfully, tap the Wi-Fi network from the list to view its name, link speed, security type, IP address etc. When this tool is in range, it will connect to the previously linked network automatically.

 
Disconnect from a Wi-Fi network

1. On the home screen, tap Settings -> WLAN.
2. Tap the network with a Connected status, then tap “Disconnect”.