Software update for the LG K40 (LMX420AS)

Update software

1. Make sure your device is fully charged and connected to Wi-Fi.
2. Swipe down from the Notification bar and select Settings.
3. Select the General tab, then scroll to and select About Phone.
4. Select Software update, then Update now.
5. Follow the on-screen prompts to download and install the update.
6. The device automatically restarts once the new software successfully installs.

Verify software update

1. Swipe down from the Notification bar and select Settings.
2. Select the General tab.
3. Scroll to and select About phone, then Software information. 
4. If the Android and Software versions don’t match the current update details; perform additional updates until they do.

Troubleshoot software update

• Visit Troubleshoot & Resolve to fix software update issues.
• After installing the software update, visit Troubleshoot & Resolve to fix any additional issues with your device or services.