LineageOS 15 for LG G3 – Download and installation Guide

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September 3, 2024 at 12:56 PM #26464
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Android Oreo 8.0 based LineageOS 15 for LG G3 is now available to download via an multiple EXPERIMENTAL development builds. This post provides the download link to the Android Oreo based LineageOS 15 for LG G3 and guides through the installation process of the same. This LineageOS 15 for LG G3 is brought to you by developer HardStyl3r and another build is by zjemcikolege.
DONATION TO DEVELOPER(S):
If you like this ROM then do contribute to HardStyl3r and zjemcikolege for his hard work:
– Donate to HardStyl3r
– Donate to zjemcikolege
If you want the OFFICIAL LineageOS 15 update or some more Android Oreo ROMs then stay tuned to the LineageOS 15 ROMs page or the AOSP Android Oreo ROMs devices list page.
DISCLAIMER:
THIS IS AN INITIAL ALPHA BUILD WHICH HAS MANY BUGS. HAVE A BACKUP BEFORE FLASHING THIS AND TRY AT YOUR OWN RISK. Installing a custom ROM requires an unlocked bootloader on LG G3, which may VOID your warranty and may delete all your data. Before proceeding further you may consider backup all data on the phone. Understand that you are the only person making changes to your phone and I cannot be held responsible for the mistakes done by you.
Content structure:
Status of LineageOS 15 for LG G3 Oreo 8 ROM:
WHAT’S WORKING:
– Everything which is not listed on known issues list
KNOWN ISSUES:
– Wifi hotspot
– All sensors
– Camera

REQUIRED LINKS AND FILES FOR LINEAGEOS 15 for LG G3 OREO ROM:
- TWRP recovery for LG G3
  – Here is theTWRP update guide for LG G3. This recovery guide requires an unlocked bootloader on the phone.
- LineageOS 15 Download link for LG G3 by HardStyl3r
- LineageOS 15 Download link for LG G3 by zjemcikolege
- LineageOS 15 GApps download link ROM
Root binary is NOT inbuilt in LineageOS ROM, so you may need a separate SuperSu package or LineageOS su binary to install to gain ROOT access. Here is LineageOS Rooting guide
If there is no in-built ROOT or it does not work for some reason then you can try SuperSU rooting guide to enable ROOT access.
HOW TO INSTALL/DOWNLOAD/FLASH/UPDATE THE LineageOS 15 for LG G3 ROM:
Follow this if you are flashing LineageOS 15 for LG G3 for the first time, or coming from another ROM:
Points to NOTE:
– Try to avoid restoring apps backup using Titanium Backup. It may break things up.
– Don’t restore system data using Titanium Backup! It will definitely break the current installation.
– It is also discouraged to Restoring Apps + Data using Titanium Backup.
- Boot into Recovery.
  Make sure to have a Custom recovery like CWM or TWRP or any other custom recovery. If not then download the recovery for LG G3 from above link and follow the Custom Recovery Installation Guide (it’s a generic guide which will work for TWRP as well as CWM recovery or any other recovery)
- Wipe data factory reset, Cache partition, Dalvik Cache and Format the System partition.
  – Here is a guide explaining how to wipe data using TWRP recovery.
  This will delete all your data on your phone. You may consider complete backup of your phone data or take a NANDROID backup of the current ROM
  – How to backup all data on your Android Device
  – how to take NANDROID backup using TWRP recovery
- Download and Copy the Oreo GApps and the LineageOS 15 ROM ZIP to the phone.
- First flash the LineageOS 15 ROM ZIP file from device. Then flash the GApps zip from your device memory.
  – Here is a post explaining how to install LineageOS
- Then reboot into recovery (don’t skip this) and flash the Gapps for LineageOS 15 package.
  – Here is a post explaining how to flash GApps using TWRP recovery.
- Reboot and Enjoy Android Oreo with LineageOS 15 for LG G3.
Upgrading from earlier version of LineageOS 15 for LG G3 (d855):
- Copy the latest LineageOS 15 ROM ZIP file to the phone.
- Boot into Recovery.
- Flash the ROM ZIP that you copied.
  – Here is a post explaining how to install LineageOS
- Then flash the LineageOS 15 GApps package.
  – Here is a post explaining how to flash GApps using TWRP recovery.
- Reboot and Enjoy
Complete the initial setup and enjoy Android Oreo 8.0 with LineageOS 15 for LG G3. After the installing the LineageOS 15 ROM, you may want to enable ROOT access on your phone and here is how you can do that:
How to Enable ROOT on LineageOS 15 ROM.

Stay tuned or Subscribe to the LG G3 (d855) forum For other Android Oreo, Nougat ROMs, LineageOS 15 ROMs, other custom ROMs and all other device specific topics.
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