Install Android 6.0 Marshmallow D85030K firmware on AT&T LG G3 D850

Now you can update your AT&T LG G3 on Stock Android 6.0 Marshmallow firmware, as AT&T started rolling out Android 6.0 Stock Marshmallow firmware for LG G3 D850. The Marshmallow for AT&T LG G3 carries build number MRA58K with software version D85030K and is available via OTA, according to reports T-Mobile is also ready to push Marshmallow for LG G3 but the OTA is not available yet. So in this guide you would be able to flash Android 6.0 Marshmallow D85030K firmware on AT&T LG G3 D850. We have also shared screenshots of the D85030K update, the OTA can hit your device anytime soon, but first you need to do some early preparation we mentioned below. We will update the KDZ soon to manually flash the D85030K firmware on AT&T LG G3 D850 using LG Flashtool.


Just follow the below guide to update AT&T LG G3 D850 to Android 6.0 Marshmallow via OTA .

How to update AT&T LG G3 D850 to Android 6.0 Marshmallow

This is the first and preferably the most easiest method to update your AT&T LG G3 D850 to Android 6.0 D85030K Marshmallow. All you need is just your device to download the firmware file if available and then the phone will ask you to install the updates now or later. Your device must be stock un-rooted condition because rooted device will not able to receive the OTA updates then you have to un-root your device or you have to wait till the manual update process is started. To check whether your device is eligible for OTA Firmware update, unlock your device & navigate to

Settings >> About device >> Software update >> Check for updates

This will require a working internet connection to connect to the LG servers. You will receive a notification about the latest firmware availability click install to flash the firmware or tap install later to flash later. Just flash the latest Android 6.0 Marshmallow firmware on your AT&T LG G3 D850 and enjoy the goodies of latest firmware.

That’s it! Stay tune for more updates or if you feel any type of difficulty during the update process, please let us know by posting your queries in the below comment box. Follow us on Facebook/Twitter/Google+ for future update.

A Software Engineer who loves to hang around latest gadgets and writes his own experiences to get the best possible and accurate information.
  1. Reply Gambus April 30, 2016 at 10:22 am

    I have Lg g3 D850 unlocked to use all sims and am using the phone in Africa,presently phone is on kitkat. I have been trying to update to 6.0 but i get reply “phone is running latest version” i have used pc suite same reply.please what can i do to update to android 6.0?Thank you

    • Reply Adney April 30, 2016 at 4:01 pm

      you need to install the marshmallow kdz via flashtool

  2. Reply Ramses May 18, 2016 at 10:59 pm

    and where I download the official rom marshmallow to install flash tools?

    • Reply Adney May 19, 2016 at 7:53 pm

      You need to visit our provided links

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