Guide to Flash Stock Firmware LG K8 2017 Using LG Flashtool to Fix a Bootloop.

Guide to Flash Stock Firmware LG K8 2017 Using LG Flashtool to Fix a bootloop.

Flash LG K8 2017. If you are experiencing a bootloop or bricked problem on LG k8 2017, try to solve the problem using the following method. The following method will explain in detail how to flash stock firmware on LG K8 2017. Generally, bootloop problems caused by install custom ROM before the official firmware is issued. Or fail in installing a custom recovery such as CWM or TWRP. flash stock firmware is one solution to solve a bootloop problem on LG k8 2017. Just follow this guide to flash a stock firmware on your phone.

This is LG K8 2017 specifications. This device has several versions, LG M200N (Europe), LG X240 (Russia), LG US215 (US Cellular). LG k8 2017 released 2017, April. Comes with 5.0 inches IPS LCD capacitive touchscreen, 16M colors. Powered by Quad-core 1.4 GHz Cortex-A53 CPU, Qualcomm MSM8917 Snapdragon 425 chipset, and Adreno 308 GPU. Also supported with 1.5 GB of RAM. LG K8 2017 has a 13 MP of primary camera and 5 MP of secondary camera. And this device run on Android 7.0 (Nougat) OS. Now we continue the process of flash stock firmware using LG flash tool 2014.
flash stock firmware LG K8 2017
flash stock firmware LG K8 2017
As the alternative methods, you can flash your LG K8 2017 with LG UP and Uppercut, Use this guide.


  1. You need to make a full backup all data as everything will be wiped out during flashing process.
  2. Make sure to charge the battery fully, or at least you have 75% of battery capacity.
  3. Disable all antivirus run on the PC or computer.
  4. Then, Download LG flash tool 2014 to help to flash the firmware into the LG device from Here.
  5. If you do not have LG driver yet, please download through the following link. Here
  6. Now, download the LG K8 2017 KDZ firmware. You can choose two download methods that we offer below.
    • 1st. You can download LG stock firmware using IMEI on the mobile phone. for instructions on how to download it, please visit the following link. Here.
  7. 2nd. but if you do not want to bother, you can visit the following link to download LG K8 2017 directly. Here 

Flash Instruction Guide.

  1. Make sure the LG driver and LG flash tool 2014 already installed on the computer.
  2. Try to put KDZ firmware files in the same folder with LG flash tool.
  3. Now run the LG flash tool as administrator. How to run a program window as an administrator?
    • Right-click the LGflashtool2014.exe.
    • Then, at the context menu select run as administrator
  4. If the LG flashtool doesn't open the window, you need to install Visual C++ Runtime Library from here and then try again.
  5. If you have successfully install LG flashtool 2014, then you will see the windows as shown in the picture below.
  6. Flash LG K8 2017
    Flash LG K8 2017
    • 1: At Select type, you can choose CDMA or 3GQCT
    • 2: Select DIAG at phone mode drop-down menu.
    • 3: You can click the folder icon to load KDZ firmware into LG flash tool at the select KDZ file.
    • 4: Select Normal flash or CSE Flash.
      • Normal flash, it will Flash stock firmware without losing any data.
      • CSE flash if you want upgrading, downgrading, bootlooping, or just need to go back to original fresh stock. this task will delete everything stored in phone internal memory.
  7. If you select the normal flash button, then you will open read phone information windows. From this window, you need to click Start button.
  8. Then you will open Select country and language window. From this window don't click smartphone upgrade. This menu for windows mobile only.
  9. Flash LG K8 2017
    Flash LG K8 2017
  10. Now, Power Off the LG K8 2017 by press and hold the power button for a long while.
  11. Once the LG K8 2017 completely power off, now connect it to the computer via USB cable while pressing down the Volume Up button.
  12. Once the LG K8 2017 is connected and recognized by the computer, it should show Download Mode with “Firmware Update” written on top of the phone screen.
  13. Then, back to Select country and language window and click OK button.
  14. Now, LG flash tool 2014 will automatically launch LG Mobile Support Tool window on a computer screen.
  15. LG Mobile Support Tool
    LG Mobile Support Tool
  16. Just wait the status bar reach 100% that indicate flashing process successfully.
  17. The flashing LG K8 2017 process will start and take some time. Once it is done, your phone will reboot automatically.
  18. And now, it's saved to disconnect your phone from the computer.
  19. Happy flashing :)

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