The latest software for the LG K4 is software version VS4252BA.
To check what version of software is installed on your device:
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Open Settings
> General tab > About phone
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Tap Software information.
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View the current software under Software version.
Select software for more info:
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Software version VS4252BA - Release date April, 2018
- Android Security Update (2018-04-01)
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Software version VS4252AA - Release date February, 2018
- Security Maintenance Release
- Android Security Update (2018-02-01)
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Software version VS42529A - Release date January, 2018
- General maintenance
- AppFlash
- PLMN ID
- RTCP Timer
- Android Security Update (Nov. 2017)
- KRACK
Software Update
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When the software update is available, the update icon will display in the status bar at the top of the screen. Swipe down from the top and tap the notification.
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Tap Restart & Install.
Note: If prompted, connect to a Wi-Fi network to download the software update.
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Your device will restart to perform the update.
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When the update is complete, your phone will restart and transition through a series of alerts stating Android is upgrading. Once your phone has powered on you will be notified that the software update successfully installed. Tap OK to close the notification.
Troubleshooting
If you have not been notified of an available software update, you can manually check if one is available.
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Open Settings
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Tap Check for new system update to manually check for a new update.
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You will be prompted if a new software update is available. Continue from Software Update, step 1.
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With your phone powered on, connect to your PC via the microUSB cable.
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On your computer you will be notified that your phone has been connected and a AutoPlay screen should display. Select VZW_Software_upgrade_assistant.exe to install the Verizon Wireless Software Upgrade Assistant.
Note: Depending on your version of Microsoft Windows you may receive a warning for permission to continue, select Continue.
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Once the software upgrade assistant has been installed, run the application. The upgrade assistant will scan for your device and the status will display Upgrade Available. Select Upgrade VS42529A to upgrade your software.
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Your phone will restart once the update is complete and the status in the Software Upgrade Assistant will change to Up to date.
