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.