Custom ROMFirmware Update

Install Resurrection Remix v7.0 ROM on LG G3 AT&T (D850) [Android 9.0 Pie]

Those who want to flash their LG G3 AT&T (D850) device with Android 9.0 Pie Custom ROM, then here is a good news.  Those who have been wondering to install the latest Stock ROM Firmware on your device, can now rejoice as they can flash the latest Android 9.0 Resurrection Remix v7.0 / RR7.0 [RR 7.0] Custom ROM software on their device.

So, if you own a LG G3 AT&T (D850), you can install the latest update for your device, which comes with Resurrection Remix v7.0 / RR7.0, that is based on Android 9.0. The update often aims to increase system stability and increase the performance of the device, as well as incorporating new features.

Brief Intro to Resurrection Remix

Resurrection Remix is one of most renowned after-market Custom ROM Firmware for huge array of devices. Resurrection Remix relies on AOSP source code, and has been based on LineageOS, SlimRoms, Omni, Slim, AOKP, Paranoid and original Remix ROM builds. Therefore, it brings the extract of the best features provided by all these ROMs, in addition to performance, functionality and customization features, as well as battery life optimization in contrast to other ROMs. There are many features or mods, which has been tweaked with mods, are currently a part of Resurrection Remix default Custom ROM Firmware.

Resurrection Remix (RR7.0) Features

  • Redone RR Stats app
  • Implemented Lineage‘s updater app (allows auto flashing, even has A/B support)
  • Media art on lockscreen
  • Statusbar battery customizations
  • Statusbar clock customizations
  • Statusbar icons toggle
  • Statusbar gestures (double tap to sleep, brightness)
  • Customizable listview animation and interpolator
  • Screen off animations customizations
  • RR configurations tabs transition options
More Features
  • Wakelock blocker
  • IME settings like landscape keyboard not using the fullscreen, auto rotate when keyboard is opened
  • Power menu customizations (like screenshot/partial screenshot)
  • On-The-Go mode
  • Advanced reboot
  • Different toggleable layouts for RR Configurations
  • Carrier Label
  • Different recents options (stock/slim)
  • Hide apps from recents
  • Statusbar VoLTE icon toggle
  • Network activity in statusbar
  • Option to launch music app on headset connection
  • Notification Ticker
  • Heads-Up customizations
  • Fingerprint authentication vibration toggle
  • Quick pulldown for QS
  • Smart pulldown
  • QS animations
  • Vibrate on touching QS
  • RR logo in statusbar
  • Adjust brightness by sliding across the status bar
  • Battery bar
  • Statusbar weather (Omni JAWS)
  • Lockscreen charging info
  • Lockscreen shortcuts
  • Lockscreen weather
  • Lockscreen clock/date
  • Face auto unlock (no need of swiping)
  • App circle bar
  • PIE control
  • Navbar customizations (smartnav – fling, pulse), navbar height
  • OnePlus like navigation gestures
  • Expanded desktop options per-app
  • Customize settings dashboard layout and summaries
  • QS rows/columns customization
  • Customizable lockscreen notification count
  • Customizable toast animation
  • Customizable volume dialog
  • Memory bar in recents Light/dark theme option
  • Hardware keys customizations
  • Buttons customizations (volume keys to wake device, answer call, control playback, etc)
  • Three finger gesture (screenshot)
  • Custom System animations
  • Suspend Actions (get executed on screen off)
  • Volume steps
  • Gesture Anywhere
  • Scrolling cache
  • Smart pixels (for AMOLED displays)
  • Intelligent notification sounds (Ring notif sound in xxx second for one time)

In the below guide, step by step procedure to flash/ install newest Resurrection Remix v7.0 / RR7.0 Android 9.0 on LG G3 AT&T (D850). The download link for this Stock ROM has been added to the pre-requisite section. You can simply flash the Custom ROM Firmware .zip or .img file manually through the below guide.

Firmware Details:

Android Version: Android 9.0 Pie

UI Version: Stock UI

Firmware Versions: Resurrection Remix v7.0 / RR7.0

Model: LG G3 AT&T (D850) [Codename: angler]

Release Date: 10.02.2019

Android security patch level: January 2019

Disclaimer: covers although everything in a very neat and a processed manner so that our readers get exactly what they want, still there are meager chances of basic issues that may arise out of the listed steps here. Hence it is in sole interest of the user to follow the steps very cautiously so as to stay away from any mishappenings with your device.

Updating or flashing the Stock ROM firmware or Custom ROM firmware updates certainly without any doubt comes with risk to brick device. If you brick the device, while upgrading the firmware of your smartphone, then kindly be in touch with the Official Service center of Motorola near your location. in no way will be held responsible for warranty void or your bricked device.


Ensure to check your model number, which must be:

  • LG G3 AT&T (D850)

You must have to ensure that prior to rooting your phone , you have read thoroughly the disclaimer and you agree to proceed further on your risk.

  • Phone Should be Charged

Your phone must be 70% charged atleast else, it may lead to complications sometimes while experimenting. Why to take risk, try to charge it fully.

  • Back Up

If you are either going to root your phone or install a Custom ROM, it is a good habit to make a back up of your phone. Make a back up of all your media like images, videos and all on your PC and your contacts on Cloud.

  • Enable USB Debugging

You must enable USB debugging option by going in to Settings, Applications and Developer options.

Downloads For Updating LG G3 AT&T (D850)

Download platform-tools/ SDK Tools package from Android SDK on PC from here. (Android command line tools> SDK Tools package)

Download Latest Android 9.0 Pie Resurrection Remix v7.0 / RR7.0 Custom ROM for LG G3 AT&T (D850) from here

Download GApps from here

Download Gapps from here

How to Manually Flash LG G3 AT&T (D850) with Android 9.0 based Resurrection Remix v7.0 / RR7.0 Custom ROM

Note: Before you proceed with the below mentioned steps, your device must have TWRP flashed and rooted already, if you have not done so already, then follow this tutorial to root LG G3 AT&T (D850).

Step 1: Transfer the downloaded file to the internal storage / SD card of your LG G3 AT&T (D850) smartphone.

Step 2: Now, just boot into the recovery. From the TWRP interface, you can optionally backup the Stock ROM. Though, I would recommend to backup the Stock ROM. Because if in case process gets failed, you can flash the Stock ROM.

Install TWRP 3;0

Step 3: Tap on Install ‘, and then navigate to the file ‘’ and swipe to confirm flash (located at the bottom of the screen). The flashing process of flashing the Mokee Custom ROM has been started and will take few seconds to complete.

Congratulations, you have successfully flashed Resurrection Remix v7.0 / RR7.0 Custom ROM based on Android 9.0 on your LG G3 AT&T (D850) device. If you faced any issue while flashing, then do not hesitate to let’s know in the comments section below.


An Pharmaceutical Scientist by profession, a technology enthusiast by passion, he is Editor of

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