This is the Verizon Wireless Software Upgrade Assistant for Windows and Mac, Choose your operating system to download and install the Verizon Wireless Software Upgrade Assistant:
How to use VZW software Upgrade Assistant tool to Upgrade the OS on your phone.
Step 1, Please connect to your PC via the microUSB cable while your phone is power on.
Step 2,When there is a new update available, your phone’s status bar will display Upgrade Available. Select Upgrade to upgrade your software.
Step 3,Your phone will restart once the update is complete and the status in the Software Upgrade Assistant will change to Up to date.
If you want to upgrade or down grade the firmware of your phone, please use latest LG UP software – LG’S official PC software which can flash both KDZ or DZ or TOT format firmwares.