You can use these firmware to : Unbrick LG G4 LG H811 USA T-Mobile Updates LG G4 LG H811 USA T-Mobile to Android 6.0 Marshmallow Downgrade/Rollback LG G4 LG H811 USA T-Mobile to Android 5.1.1 Lollipop Flashing LG G4 LG H811 USA T-Mobile Hared Reset / Restore LG G4 LG H811 USA T-Mobile to […]