Firmware Details
- Device: LG G3
- Model: D855
- Android: v6.0 Marshmallow
- Firmware: 30B
- Build: MRA58K
- Kernel: 3.4.0
- Status: Official
- Type: Full firmware image
- Date: 30.12.2015
- Region: Global
- Format: KDZ
- File Name: D85530B_00_1217.kdz
You can easily install this KDZ using LG Flash Tool (2014). Simply import the KDZ package into the Flash tool, connect your G3 to the computer in download mode and perform “CSE Flash” with default settings. Make sure all the necessary drivers are installed.
Note: Since this is a fully stock Marshmallow firmware, you’ll lose root upon upgrade and you might encounter issues while rooting this build. To maintain root privileges you are recommended to use the TWRP-flashable images of 30B by Autoprime instead – download links and instructions are available here.