Install Android Marshmallow on LG G3 D855 with Flash Tool

LG has begun giving away the Android 6.0 Marshmallow update to its last year leader smartphone, LG G3. The overhaul is available with the build number 30B for the D855 variation and we are trusting that the upgrade for different variations of G3 would be approaching. The Marshmallow upgrade accompanies a great deal of customization and execution advancements. LG has changed the firmware in the engine furthermore put their own custom skin over the stock Android OS.

LG G3 Quick Watchface

The G3 holders will get the Android 6.0 Marshmallow update over the air. On the other hand, in case you’re anxious to attempt the Android 6.0 Marshmallow on your gadget, you can immediately download the official KDZ firmware and install it using the LG Flash tool. It is the most helpful approach to introduce Marshmallow on your LG G3. Before continuing with the method, first physically check for any OTA upgrade. Go to Settings » About Phone » Software Information/Updates.

Read Also: How to Root LG G3 D855 running Android Marshmallow

If you didn’t see any OTA update recorded in the Software upgrades menu, take after the beneath guide to install Android Marshmallow on LG G3 D855 with Flash Tool.

Things to be Done:

  • The current Android 6.0 Marshmallow KDZ firmware is suitable only with the international variant of LG G3 D855.
  • In order to get the latest Marshmallow, you need to Install the LG Flash Tool 2014 (extract files if compressed) on your PC. This tool is required in order to flash the KDZ file onto your device.
  • Visual C++ Runtime Library is mandatory to have it in your Windows system in order to run LG Flash Tool 2014. If you have any issues installing the Flash Tool then install the libraries on your Windows PC. Click here to Download required files.
  • Make sure you have the latest LG drivers installed on your PC. Get it from the download section.

Files to Downloads

  • Download | LG G3 Marshmallow Firmware (File: D85530B_00_1217.kdz)
  • Download | LG Flash Tool 2014
  • Download | LG G3 USB Drivers

Points to Note:

Backup of your current Android System is important, Installing the stock firmware using a KDZ file will remove all your data and apps from your current ROM. Also, transfer all your files from your internal storage to your PC as it may also get wiped out.

Install Android Marshmallow on LG G3 D855 with Flash Tool

Here is a step-by-step guide to successfully flash the stock firmware on your LG G3.

  • Step 1: Put your G3 into Download Mode. To do this, Power Off your phone first. Then while pressing both the volume keys connect your phone to your PC via USB cable. The screen will show download mode icon. If it fails for the first time, repeat the process.
  • Step 2: Open the LG Flash Tool 2014 folder and copy the KDZ file in it. If the Flashtool is compressed, extract it to get a folder containing the necessary files including the LGFlashtool2014.exe file. Transfer the D855xxx_00.kdz file, you have just downloaded, into the LG Flash Tool 2014 folder.
  • Step 3: Run LGFlashtool2014.exe file.
  • Step 4: Now you will have to make a bunch of selections. Select Type: CDMA (Do not worry about selecting this option as Flashtool is modified only for devices with SIM). Change PhoneMode to CS_EMERGENCY. Click the folder icon to browse your computer and select the D855xxx_00.kdz file.
  • Step 5: Choose CSE Flash option as we are installing a new copy on the stock firmware. This will format all your application data, format your system and could also wipe your internal storage. It makes a clean install. If you choose this method, it is highly recommended that you backup all your apps and data first.
  • Step 6: Once selected, choose Start on next window.
  • Step 7: Select your Region and Language and select OK button. Also clear phone for update registry.

Note: Disconnect from the Internet before you choose OK and also make sure your Antivirus is turned off for some time.

  • Step 8: Once the program has started, the stock firmware will get installed.
  • Step 9: If in case an error occurs, retry from Step 1 until success and remember to disconnect from the Internet when necessary. Once successful, the phone will restart automatically and choose click exit to quit the program.
  • Step 10: Once you see the LG Logo, that means you have installed the stock firmware correctly.

Once you boot into stock firmware on your LG G3, you can enjoy your latest Android 6.0 Marshmallow software.