The software update version VS410PP2 is available for LG Optimus zone (lg-vs410pp).
Please note that this firmware for LG Optimus zone (lg-vs410pp) comes in .cab extension, You need to use some tools to convert it to LG .KDZ format so that you can use KDZ Update tool to flash it.
How to manually Update LG Optimus zone (lg-vs410pp) Software to VS410PP2:
Note:Ensure the tool shows Model VS410PP and Version VS410PP1. If not, disconnect and reconnect the USB cable or restart the tool.
4) Click Start Updating within the LG Mobile Support Tool to begin.
5) The device will progress through Analysis, Download, Update and Complete during the update process.
6) After the Update, Version: VS410PP2 should be displayed in the update tool.
If you fail to update your device via the LG MOBILE SUPPORT TOOL, please Follow below instruction to recover your device:
1) Open LG Mobile Support Tool.
2) Connect the device to PC via USB Cable.
3) From the menu select Customer Support > Recovery Phone.
4) Input the IMEI/ESN/MEID and click Check.
5) After checking the phone information, it will start to update automatically.
Wish this helps