Owners of a flagship smartphone LG G6 are often faced with a dilemma: is it worth extending the life of the device with new versions of the operating system, or is it better to leave it on a stable build. This device, released in 2017, initially worked on the base Android 7.0 Nougat, but the manufacturer provided the possibility of upgrading to more modern versions. Updating the firmware can significantly improve the performance of interface, close security vulnerabilities and add new functions that were not available upon purchase.
The process of installing a new system does not always go smoothly, especially considering the age of the device and the cessation of official support from the company. LG Electronics. You will need to carefully prepare the gadget, check the compatibility of the regional version and choose the correct installation method. In this article, we will look in detail at how to safely transfer your smartphone to the latest software version, using both standard tools and specialized software for PCs.
Before you begin any manipulations, it is critically important to understand exactly what modification of the device you have in your hands. Different markets received updates at different times, and sometimes with different build numbers. Selecting the wrong firmware file can cause the phone to stop seeing the network or not turn on at all. Therefore, the first step is a deep diagnosis of the current state of the system and backup of all valuable data.
Preparing the device for the update procedure
The success of the entire operation depends 90% on the quality of the preliminary preparation. Many users make the mistake of starting the process immediately after receiving a notification without checking the free space on their drive. The system requires a significant amount of space to unpack archives and temporary files. Free up at least 5-7 GB internal memory by deleting unnecessary applications, messenger cache and heavy media files.
The second critical aspect is the battery level. The flashing process is power-intensive, and a sudden power outage while writing system partitions can fatally damage the bootloader. Connect your smartphone to the original charger and make sure that the indicator shows at least 60-70% capacity. It is best to carry out the procedure when the phone is connected directly to the network, even if the battery is fully charged.
⚠️ Attention: Before starting any actions, be sure to make a complete backup of contacts, photos and settings to a cloud service Google Drive or to a computer. Resetting your settings during an update may occur automatically, and restoring data without a copy will be impossible.
It is also worth checking the stability of your Internet connection if you plan to download the update over the air. The use of mobile traffic is not recommended due to the large packet size and the risk of connection loss in an area of poor reception. Switch to a reliable network Wi-Fi with good download speeds. If the connection is unstable, the download may be interrupted by 99%, which will require restarting the process from the very beginning.
☑️ Checklist for preparing for firmware
The official update method is through the settings menu (OTA)
The simplest and safest method for the average user is to use the built-in mechanism OTA (Over-The-Air). This method involves automatically checking the manufacturer's servers for new firmware versions specifically for your serial number and region. The system itself will determine which update is available and offer to download it without the need to manually search for files.
To start the process, you need to go to the device settings menu. Navigation may vary slightly depending on the current version of the shell LG UX, but the general path remains the same. Open the section Settings → General → About phone → Update Center. Here you will see a “Check for Updates” button. Click on it and wait for the server to respond.
If a new version is found, the system will display information about the file size and the list of changes. Please read the description carefully: sometimes the list of fixes mentions critical security patches or camera improvements. After confirming the desire to update, the download will begin. During this time, you can use the phone, but it is better not to run heavy applications so as not to overheat the processor.
If the update is downloading very slowly, try changing the DNS in the Wi-Fi settings to 8.8.8.8 (Google) - this often speeds up the connection to the update servers.
When the download is complete, the phone will prompt you to reboot for installation. Agree with the action, and the device will go into recovery mode. A logo LG and a progress indicator will appear on the screen. This stage may take from 10 to 30 minutes. The screen may go off and on several times - this is normal behavior indicating a phased installation of system components.
The OTA method is the most preferable, as it eliminates the risk of installing an incompatible firmware version and guarantees the integrity of digital signatures.
Updating via a computer using LG Bridge
In cases where The OTA update does not arrive, gives an error or is interrupted during the installation stage, a proprietary utility comes to the rescue LG Bridge. This PC software allows you to manage your smartphone's content and, more importantly, perform firmware updates directly through the cable. This method is considered more reliable if the Internet is unstable or there are problems with the internal storage of the phone.
First, you will need to install the drivers and the application itself on a computer with an operating system Windows or macOS. You should download the app exclusively from the official LG support site to avoid malicious code. After installation, launch LG Bridge and connect your smartphone to the computer using the original USB cable. Allow debugging or file transfer on the phone screen if prompted.
In the main app window, select the “Software Update” tab. The utility will scan the connected device and compare the installed version with the latest one available in the database. If a newer build is found, an Update button will appear. Follow the instructions on the installation wizard screen. The computer will download the full firmware image and transfer it to the device, after which the installation process will begin.
| Option | OTA (Over the air) | LG Bridge (PC) | Manual firmware (KDZ) |
|---|---|---|---|
| Complexity | Low | Medium | High |
| Risk of error | Minimal | Low | Medium/High |
| Download speed | Depends on Wi-Fi | Depends on PC | Depends on PC |
| Data saving | Save often | Save often | Full reset |
Using a cable ensures stable data transfer and allows you to control the process in real time. If a failure occurs, the app often offers options to recover or try again without having to reconnect the device. This makes the method via LG Bridge the optimal balance between simplicity and reliability for advanced users.
Manual installation of firmware via Recovery mode
For those who want to install a specific firmware version that is not available in their region, or roll back to a previous stable build, there is a manual installation method via recovery mode. This method requires downloading a firmware file in the format .kdz from third-party resources, such as a forum XDA Developers or specialized firmware archives.
It is important to understand that manual installation carries increased risks. The firmware file must strictly match your device model (for example, H870 for Europe or US997 for the USA). Attempting to install firmware from another model will result in the device becoming bricked. Before starting the procedure, you must switch the phone to Download Modemode. This is usually done by turning off the phone and then holding down the volume up button when connecting the cable to the PC.
To write firmware to the device, you will need a special utility, for example LG UP or UPPERCUT. These apps allow you to select the downloaded file .kdz and initiate the firmware process. In the utility menu there is often a choice between the “Refurbish” mode (full cleaning and new firmware) and “Upgrade” (update with saving data). To update the system, it is recommended to select the Upgrade mode, if possible.
⚠️ Attention: Manual flashing via KDZ files will void the device warranty (if it is still valid). In addition, choosing the wrong regional version can block the communication module, and the phone will stop receiving a cellular network signal.
The recording process takes from 5 to 15 minutes. During this time, under no circumstances should you disconnect the cable or press buttons on the phone. Once completed, the utility will report success and the phone will automatically reboot. The first boot after manual firmware may take longer than usual - up to 10 minutes, as the system optimizes applications and creates new cache partitions.
Where can I find reliable firmware?
Look for files only on reputable forums, such as XDA-Developers in the thread of your device. Avoid random file sharing sites where files may be modified or contain viruses. Always check the checksum (MD5/SHA1) of the file if it is provided by the author.
Possible problems and solutions
Even if all instructions are followed, users may encounter unexpected difficulties. One of the most common problems is getting stuck on the manufacturer's logo after an update. This often indicates a cache conflict between the old system and new files. The solution in this case is to enter the mode Recovery and execute the command Wipe Cache Partition.
Another common situation is the “Not enough space” message when trying to update over the air, even if the user has deleted some of the files. This is because the system partition reserves space for temporary files, and memory fragmentation can prevent the creation of a contiguous block. In this case, it helps to connect to a PC and transfer all media files to the computer’s hard drive to free up maximum space.
Sometimes after the update, certain functions stop working, for example, a fingerprint scanner or Bluetooth. This could be a software glitch with the new build. Try resetting the network settings or, as a last resort, a full reset to factory settings (Factory Reset). Remember that a hard reset will delete all data, so it should be the last step in the diagnosis.
- 🔄 Cyclic reboot: If the phone keeps rebooting, try removing the SIM card and memory card, then perform a reset via Recovery.
- 📶 Lack of network: Check your carrier's APN settings. After major updates, access points are often reset to standard ones, which may not be suitable for your tariff.
- 🔋 Fast discharge: In the first 2-3 days after the update, the system indexes files in the background, which greatly consumes the battery. This is a temporary phenomenon.
If none of the software methods help, the problem may lie in the hardware, which worsened after the load on the processor during the update. In such cases, especially taking into account the age of the model LG G6, it is advisable to contact a service center to diagnose the battery or power controller.
Most software failures after an update can be resolved by clearing the partition cache or a full reset to factory settings, but do not forget about backups.
What to expect from new versions of Android on LG G6
The transition to a more recent version of the operating system, for example, from Android 7 to Android 8.0 Oreo or Android 9 Pie, brings visual and functional changes. The interface becomes smoother, multitasking improves, and the power management system becomes more efficient. However, it is worth considering that older hardware components may not unlock the full potential of new software.
Security updates are a critical pro. Every year new vulnerabilities appear that are closed by Google patches. By staying on the old version, you are putting your personal data at risk. Even if the visual changes are minor, installing the latest available security patch is a smart precaution in today's digital world.
On the other hand, newer versions may require more RAM and CPU resources. On LG G6 he 4GB of RAM, this may cause background apps to be dumped from memory more often than before. Users should be prepared for the fact that performance may subjectively decrease slightly in order to obtain new functions and protection.
Is it possible to update the LG G6 to Android 10 or 11?
LG has officially stopped supporting the G6 model on Android 9 Pie. Updates to Android 10 and higher have not been released by the manufacturer. However, enthusiasts have developed unofficial ROMs (Custom ROMs), such as LineageOS, that allow you to install more recent versions of Android. This requires unlocking the bootloader and installing Custom Recovery, which is a complex procedure for experienced users.
What to do if LG Bridge does not see the phone?
Try another USB cable, preferably an original and short one. Make sure you have the latest LG drivers installed on your computer. Try connecting your phone to a different USB port, preferably USB 2.0, as some older versions of the utility work better with it. Also check if USB debugging mode is enabled in the developer settings.
Will the update erase all my data?
When updating via OTA or LG Bridge in normal mode, the data is usually saved. However, there is always a risk of failure, which can lead to loss of information. When manually flashing via KDZ files in the "Refurbish" mode, all data will be deleted. Always make a backup copy before starting the process.
Why does the update take so long to download?
The size of updates for older devices can be significant, since full packages often arrive rather than delta updates. Speed also depends on how busy LG's servers are, which may be slow in your area. Using a download manager or changing DNS servers can speed up the process.