A new software update is available now for Verizon Wireless LG Cosmos 3 (Model LG-VN251S). This Software update will upgrade your LG Cosmos 3 VN251S to Software version VN251ZV5.
Manual Firmware Over-The-Air (FOTA) upgrade:
Go Navigate Menu > Settings & Tools > Phone Info > Software Update > Check New.
or you can use the VZW upgrade assistant tool to perform the update.