Update LG G3 D855 to Android 6.0.1 Marshmallow with PAC-ROM Official Build

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Android 6.0.1 Marshmallow based PAC-ROM custom firmware for LG G3 D855 is now available. With the help of PAC-ROM ROM you can update your LG G3 D855 to a well customized Android 6.0.1 Marshmallow. This may not be only way to update your device to Android 6.0.1 Marshmallow but surely a good option to try out. Since this is an early build, you should expect bugs and force close here and there but overall it should offer you a smooth experience. If you willing to upgrade your LG G3 D855 using PAC-ROM custom ROM then continue reading this guide to learn easy installation steps.

Some of the cool Android 6.0.1 Marshmallow features that you will enjoy are improved app permission, Google Now on tap, improved battery life, improved app drawer, better cut-copy-paste, Chrome Custom Tab and many more.

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Latest Update: How To Update LG G3 D855 To Android 7.1.1 Nougat via CM14.1 Nightly

Related Readings:

ROM Features:

  • Advanced Keyboard Options
  • Appbar
  • AOKP Weather
  • Battery Bar
  • Battery Indicator around Unlock Ring
  • CM Themes
  • Contextual Notification Header
  • Custom Tethering Network
  • Floating Window
  • Gesture Anywhere
  • Gesture Lockscreen Unlock
  • Halo
  • LIstview and Toast Animation Customization
  • Lockscreen Notifications
  • Lockscreen See-Through w/ Blur
  • Low Battery Warning (With Custom Notification Type)
  • Navigation Bar Customization
  • Network Speed Indicator
  • Notification Drawer Customizations
  • Omniswitch
  • PAC Console (OTA Updater, Changelog Viewer)
  • PAC Performance
  • Privacy Guard
  • ProgressBar Customization
  • QuickSettings Customization
  • Ram Bar
  • Slim Heads Up
  • Slim Pie
  • Slim Resents
  • Wakelock Blockers
  • Volume Step Customization

pac-rom

Warning!

This tutorial is only for LG G3 D855. Don’t try this guide on any other Android device. Also, we (True Android Team) are not responsible for any damage caused due to the instruction given in this page. Try this at your own risk. However, it is very unlikely that your device will be damaged if you follow all the instructions as it is which are mentioned in procedure.

Pre Requisites:

1. Backup your device data. You can follow our ultimate backup guide.

2. Make sure your device have at least 60% battery power. You can install an app like Battery Notifier BT Free on your Android device to check it easily.

3. You already have USB Driver Installed for LG G3 D855 in your PC. [Download USB Drivers]

4. Make sure USB Debugging is enabled otherwise you won’t able to transfer file between PC and LG G3 D855. [Guide].

5. Your device have latest CWM recovery or TWRP recovery installed. [Guide]

If you done everything that we mentioned above then you are ready to follow step-by-step guide on how to install Android 6.0.1 Marshmallow based PAC-ROM ROM on LG G3 D855.

File Required(Download by clicking on it)

  1. PAC-ROM ROM For LG G3 D855 [Filename: pac_d855_MM.Alpha.1.Official_20160509-103148.zip]
  2. Google Apps [Filename: gapps-mm-20160511-signed.zip] or any other Android 6.0.1 Marshmallow GApps

How to Install Android 6.0.1 Marshmallow based PAC-ROM ROM on LG G3 D855

  1. Connect your device to PC using USB cable and then copy downloaded files to the SD card of your device. Important: Don’t extract any files.
  2. Disconnect USB and then turn off your LG G3 D855.
  3. Now, boot into recovery mode. To do so, press and hold Volume down & Power, when the LG logo appears release and press them again, then press the Power button three times. In recovery use Volume Keys to navigate between option and Power to select an option. Alternatively try this: Recovery Mode without Key Combination.
  4. Perform a Nandroid backup of your existing ROM that you can restore later if this new ROM not work or you want to go back into your previous ROM. To perform a backup, select Backup and Restore, then on the next screen, select Backup again. Go back to main recovery menu after backup is complete.
  5. Now, perform data wiping task. To do so, select wipe data/factory reset, then select Yes on next screen to confirm your action. Wait few minutes till the data wipe is complete. Now come back to CWM recovery main menu. Select wipe cache partition and after wiping process done, select Wipe Dalvik Cache under advance option to perform Dalvik cache wiping.
  6. Select install zip from sdcard, then select choose zip from sdcard (or /sdcard1 for external storage). Now, locate the PAC-ROM Zip file that you copied earlier in Step 1 and select it by pressing Power button. Confirm installation by selecting Yes – Install _____.zip on the next screen. The ROM installation will begin.
  7. Once the ROM installation process end, repeat the step 6 but choose the gapps-mm-20160511-signed.zip file instead of ROM zip to install the Google apps package.
  8. When installation is completed, go back to the main recovery menu and select reboot system now to reboot your LG G3 D855 and boot up into Android 6.0.1 Marshmallow ROM PAC-ROM.
  9. Returning to Previous ROM: To go back to your previous ROM, boot into recovery, select backup and restore then restore your previous ROM by selecting it from the list.

Tutorial For TWRP Recovery Users:

  1. Connect your device to PC using USB cable and then copy downloaded files to the SD card of your device. Important: Don’t extract any files.
  2. Disconnect USB and then turn off your LG G3 D855.
  3. Now, boot into recovery mode. To do so, press and hold Volume down & Power, when the LG logo appears release and press them again, then press the Power button three times. Alternatively try this: Recovery Mode without Key Combination.
  4. Create a Backup using TWRP Backup Option.
  5. Perform a Factory Reset (this will delete all apps and their settings and game progress). To do this, Tap on Wipe, then at the bottom of the screen do a Swipe on the ‘Swipe to factory reset‘ option.
  6. Now its time to add zip file for flashing. Tap on Install, then browse to the location where you saved the files and tap on the PAC-ROM Zip file. Then tap on Add More Zips, and add gapps-mm-20160511-signed.zip. Now at the bottom of the screen, do a swipe on the Swipe to confirm flash option to begin flashing.
  7. When installation is completed, go back to the main recovery menu and tap on Reboot and then, tap on System to reboot your LG G3 D855 and boot up into Android 6.0.1 Marshmallow ROM PAC-ROM.
  8. Returning to Previous ROM: To go back to your previous ROM, boot into recovery, select Backup then through Restore option, restore your previous ROM by selecting it from the list.

Congrats! Android 6.0.1 Marshmallow firmware based custom ROM PAC-ROM is now installed and running on your LG G3 D855.

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