Some users who have a LG G3 they have not yet received the corresponding update to the Android Marshmallow version of the operating system. If this is your case, we are going to tell you how to achieve this easily and without security problems using a tool created for this purpose.
The specific model with which you can follow the steps indicated is the D855, which is one of the most widespread variants of the LG G3It was one of the best-selling models at launch because, for a very reasonable price, it offers truly remarkable components. One example is its screen... QHD quality or the Snapdragon 801 processor. Always confirm that your unit is a D855 in Settings > About phone.
The truth is that more than one user at the moment has not yet received it via OTA the update Android 6.0 on their LG G3, which is a negative detail since many others already have the firmware installed and therefore enjoy options such as Pickups or being able to manage permits individually. Following the steps we're about to outline, achieving this is certainly possible. it's not complicated at all if you follow the indicated order.
Update your LG G3 to Android 6.0
Before indicating anything, we remember that this process is only compatible with the variant D855 This applies to the LG G3, so if you have any other model (you can check this in your device settings) you shouldn't follow these steps. By the way, carrying out what we suggest is the sole responsibility of the user. Back up your data to avoid losses.
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Download the Android Marshmallow image for the LG G3; the firmware format is KDZ. Verify that the KDZ corresponds to D855 already the correct variant/region.
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Get the Controllers from LG for the terminal we are talking about. Install them on Windows and restart your PC if necessary.
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Finally, you must download the LG Flash Tool from this linkThis utility allows flash KDZ safely in Download mode.
Once you have all the ingredients you need, it is time to put you to cook with your LG G3 to proceed with the firmware installation. The steps are as follows:
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Install the tool you downloaded earlier from LG. The process is the same as for any Windows software. Run as administrator to avoid permission errors.
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Turn off your LG G3. Now press and hold the volume up button, then connect the device to your computer. You will see the message on the screen. firmware Update (which indicates that you are in Download Mode).
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Run LG Flash Tool and select the KDZ file you downloaded with Android 6.0. Do not disconnect the cable during the process.
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Finally, click on the button called CSE Flash and the installation will begin by selecting the firmware language first. When the LG G3 Once everything restarts, it will be finished. Note: CSE Flash performs a clean installation and erases data; Normal Flash retains dataalthough it may have previous problems.
Requirements and prior preparation
- Battery at least 50% (100% recommended).
- Backup of photos, apps and documents (CSE Flash erases everything).
- USB Cable original or good quality and preferably a USB 2.0 port on the PC.
- Temporarily disable antivirus/firewall if they interfere with LG Flash Tool.
- If you plan to root later, enable USB debugging in Developer Options.
First, check for the OTA update.
Before flashing, check if the OTA update It's available: go to Settings > System > Software updates and tap Check for update. If it says “Your system is up to date”, there's no new version; if one is available, download and install it With a good WiFi connection and sufficient battery power, you can continue using your phone during the download. Once finished, you'll see the option to Install now, followed by Restart to complete.
Troubleshooting and important notes
- LG Flash Tool closesTry another USB port, run as administrator, reinstall drivers, and avoid USB hubs.
- Boot loop After flashing: repeat the process with CSE Flash for a clean installation.
- Recognition errorReinstall the drivers, change the cable, and verify that Download Mode appears on the screen.
- KDZ IntegrityDownload the firmware from a reliable source and avoid renaming files.
Optional: Root and TWRP on Marshmallow (D855 v30b/v30c only)
If you already have Android 6.0 on the LG G3 D855 And if you want advanced permissions, there is a reliable method to Install TWRP and obtain root access. No computer required. Compatible with D855 and its Latin American variants in firmware versions v30b and v30c Marshmallow.
RequirementsBattery above 50%, USB debugging enabled, and a package with four files (two APKs and two ZIPs) in the phone's memory. The APKs are usually an app from temporary root (for example, KingRoot) and AutoREC Marshmallow to install the recovery; the ZIP files include a package Permissive for SELinux and the ZIP file Beta SuperSU for permanent root.
Step by step (summary)Install the temporary root APK and run it to temporarily gain superuser permissions. Without restarting, install and open AutoREC MarshmallowGrant superuser permissions, wait for it to back up the original recovery, and when prompted, tap the Android M logo To flash TWRP. The phone will automatically reboot into TWRP when finished.
In TWRP, go into Install and flash the Permissive ZIPRestart your system. Install from Google Play SuperSU But don't open it yet. Go back into recovery mode: turn off your device and turn it on while holding down the power button. Volume down + PowerWhen the LG logo appears, release for a second and then press both keys again to enter the recovery menu. In TWRP, install the ZIP Beta SuperSUPress Reboot System. This will do the trick. permanent root and TWRP installed on your LG G3 D855 with Marshmallow.
Remember that root modifies the system security and may affect OTA updates. Only proceed if you know what you're doing and are aware of the risks.
Others Tutorials for terminals with Google operating system you can find them in this section Android Help.
With this procedure you will be able to enjoy Android 6.0 on your LG G3 D855 manually and safely, checking the OTA beforehand, preparing the device correctly, and having a backup plan in case of problems. Those who wish can also expand the possibilities with TWRP and Root in compatible versions.