Guide | How To Flash Stock ROM LG K4 Using LG Flashtool KDZ Method.

Flash Stock ROM LG K4. This device has this versions, K130E (Russia), K120E (Europe), K121 (Canada) and this article will show you how to fix a bootloop / bricked on Android LG K4, or you can upgrade the latest stock ROM / firmware. This LG K4 is the smartphone with 4,5 Inchi wide IPS LCD capacitive touchscreen, 16M colors, work on Android OS, v5.1.1 (Lollipop), and supported with Quad-core 1.0 GHz Cortex-A53 CPU, Mediatek MT6735M Chipset, Mali-T720MP2 GPU, combined with 1 GB of RAM and 5 MP of Main camera and 2 MP on secondary camera. And this device Released 2016, January.

Here is the complete guide to flash your LG K4.

Requirement Tool For Flash LG K4 .

Download all necessary tool and file below ;

1. Download Stock Rom LG K4   : From Here,  or go to number 2.
• This Stock is KDZ file, remember to copy this KDZ file into LG Flash Tool 2014 folder
• Check the firmware that match with your phone version,
• The V10 is the KITKAT version
• The V20 is for the Lollipop Version.
• And, you can see  a letter, that is little updates, you can download the one with the "last" letter.
2. If you can not find the KDZ file from the link above, you can try to download the KDZ by yourself.
• Download KDZ file for all LG smartphone device.
3. Download LG mobile support tool and install
4. Download Driver LG: Here
5. Latest LG FlashTool : Here
6. For Verizon device, you can download this driver here

#1. Guide To Flash LG K4 (KDZ Method)

Please follow this guide carefully to flash LG K4.

1. Make sure you have download all requirement tool above
2. Then Install the drivers with your phone connected with your Computer, when it finished disconnect your LG K4 phone from your computer.
3. Now turn your LG K4 phone off, then click continuously on the up volume and connect your phone to your PC.
4. Now, enter your LG K4 into download mode.(visit this guide or see at the end of this post)
5. Run LGFlashTool2014.exe.
6. If you cannot run LGFlashTool2014.exe, You must install Visual C++ Runtime Library, get here
7. There are two options to flash your LG K4 .
• Normal Flash : You can select this option if you want Flash ROM without losing any data. Only use this when you need to fix system error.
• CSE Flash : You can choose this option when you need a fresh format. All data will be deleted. It's suitable for upgrading or downgrading ROM or simply use this when you need to back to Stock.

  

  LG flash tool normal flash / CSE flash

8. Select Type: CDMA
9. PhoneMode: DIAG
10. Select KDZ file : browse your KDZ file in your drive
11. Then you can Click on Normal Flash or CSE Flash (see step 7 to decide this option)
12. Then click Start.

    

    LG flash tool - start

13. Then click on Clear Phone Software update registry.

    

    Lg flash tool - Clear Phone Software update registry.

14. No need to choose desired language, it automatically change to English as a default setting.
15. Finally you can click OK.
16. You must wait a minute for the LG Mobile Support tool to recognize the LG K4  device.
17. When you wait this process, may take 5 minute the tool to recognize it.
18. The software will start the extraction on your device.
19. When the process reach 100% your LG K4  will reboot.
20. Then, you must Unplug your LG K4  from your computer by remove USB Cable from it.,
21. Finish.

#2. Guide To Flash LG K4

If #1 method is failed to flash your LG Android device, you can use this second method, flashing LG device using R&D Test Tool

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