How to Upgrade Your LG G3

Back in 2014, when LG released the G3, it was one of its flagship models. Though LG wasn’t among the best manufacturers, they managed to release a phone that would fully keep up with the competition.

If you’re an owner of a G3, you probably already know that the version of its preinstalled Android is 4.4.2. However, if you’re using the LG G3 D855, you don’t have to stick to it, as there is Android 5.0 and it works quite well. Let’s see what this new OS version has to offer and how to make the switch to it.

What Was New in Android 5.0

Android 5.0 can be considered a breakthrough version because it came with lots of improvements at the time of its release. Its interface was changed up quite a bit, being still simplistic, but not that flat anymore. It also started supporting real-time shadow rendering for its applications. Your recently used apps now form a “3D cascade.” The icing on the cake is the support of 64-bit processors, which also makes room for lots of additional RAM.

Another aspect the developers worked hard on is the notifications. This is where the revolutionary heads-up notification system saw the light of day. Starting with this major version of Android, also known as Lollipop, new notifications also appear on top of the screen, not just on the “Notifications bar.” Notifications also appear on the lock screen, so you don’t have to swipe down from the top of the screen each time you get a new one.


Updating to Android 5.0

Before you decide to flash the (stock) Android version 5.0, note that updating is usually a very serious process that can be extremely risky. The general advice is not to do this unless absolutely necessary and unless you have at least some experience with installing custom ROM already.

Additionally, the following update method will require you to completely wipe your phone at one point. Make sure you’ve backed up all your phone data as it will get deleted. This also requires a USB connection, so have your USB cable ready and do not disconnect it until the process is fully finished. Once you’ve performed the backup, follow these steps:

  1. Right off the bat, you need to download the stock Android 5.0 ROM from this link. You’ll notice that it comes in a zip file. Unzip it and proceed. The password, should the zip ask for one before extracting, is “lgbbs.”
  2. The next step is downloading the LG G3 drivers. Click here to download them. Install them on your computer after the download.
  3. There is one more program that you need to get from the internet and unzip, called the LG Flash Tool. This version was made in 2014, so it’s suitable for the G3. It already comes ready to use, there’s no need for any installation.
  4. Open the folder where you’ve unzipped the program, then find the LGFlashTool2014 application file and open it.
  5. Reboot your phone in “Download Mode.” To do this, you first need to switch off your phone normally.
  6. Wait for at least ten seconds, after which you should hold down the button that increases the volume.
  7. Having done this, use the USB cable to connect your G3 to a computer. Your computer might let you know that it’s installing the device. If so, let it complete the installation process.
  8. Back in the Flash Tool, make sure that the “PhoneMode” is set to “DIAG.”
    LG Flash Tool
  9. Below the “PhoneMode” setting, there’s an option that says “Select KDZ file.” Click the button that’s next to it, labeled “Select Cab file.” Find the kdz file that you’ve recently downloaded.
  10. Start the flashing process by clicking on the “CSE Flash” button in the bottom-right corner of the Flash Tool. This will start wiping the phone data immediately.
  11. After this is finished, click the “Start” button while still inside of the “Read Phone Information” window that appears after choosing the “CSE Flash.”
  12. The program will then open a new window that lets you select your country of residence and your language. For the country, choose “Different Country,” then find your language in the language list.

Scarce Resources

The G3 still offers an impressive performance, considering that it’s an obsolete model. However, resources can be hard to find, as most of its links are now down. We recommend that you try and get the links provided here while you still can – that is, if you’re willing to update the phone yourself. If not, consider going to a phone repair service for a safer update.

Which Android Lollipop feature do you find most attractive? Is it worth changing the OS on an older phone model? What are your thoughts on this? Let us know in the comments below.

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