A new Software Update build LS770ZV8 is available now for Sprint LG G Stylo LS770.
According to Sprint official, The Phased roll-out of the update starts on 5/3/16 and will be completed by 5/23/16
The LS770ZV8 software Update includes
Android Marshmallow 6.0
This is still Android 6.0 M Update with bug fixes.
I bricked my device when i try t root it with Kingroot.
Do not use KingRoot to root LS770 with ZV8 firmware, You may bricked your phone with booting error.
At the moment, We can not down grade the software from ZV8 to ZV5 or ZV7.
So Do not accept the OTA Update, if you want to remain the root access.