This is the official Firmware/Stock Rom for LG Spirit 4G (LG MS870):”MS87010a”
The LG MS870, also known as LG Spirit 4G, was released by MetroPCS. The device is shipped with Firmware “MS87010a”.
Those who need to download the official Firmware/Stock Rom for LG Spirit 4G (LG MS870) can click below link to Download the LG Spirit 4G (LG MS870) firmware “MS87010a”.
Download Firmware Available
Please notes that the file comes with a .cab extention, You need some tools to convert it to a .KDZ file, so that you can use the KDZ_UPDATE_tools to flash this stock ROM onto your device.